<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2023 Workiva-->
<!--r:ebc5cae5-dd0c-4e25-bdf9-439f1f7ef230,g:ac3484d5-46c9-4efb-a8a6-90d14c181c28-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:trs="http://www.trimascorp.com/20221231" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.trimascorp.com/20221231">
  <xs:import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2022" schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="trs-20221231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="trs-20221231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="trs-20221231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="trs-20221231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="DocumentandEntityInformationDocument" roleURI="http://www.trimascorp.com/role/DocumentandEntityInformationDocument">
        <link:definition>0000001 - Document - Document and Entity Information Document</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.trimascorp.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetStatement" roleURI="http://www.trimascorp.com/role/ConsolidatedBalanceSheetStatement">
        <link:definition>0000003 - Statement - Consolidated Balance Sheet Statement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetParentheticals" roleURI="http://www.trimascorp.com/role/ConsolidatedBalanceSheetParentheticals">
        <link:definition>0000004 - Statement - Consolidated Balance Sheet Parentheticals</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofOperations" roleURI="http://www.trimascorp.com/role/ConsolidatedStatementofOperations">
        <link:definition>0000005 - Statement - Consolidated Statement of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofComprehensiveIncome" roleURI="http://www.trimascorp.com/role/ConsolidatedStatementofComprehensiveIncome">
        <link:definition>0000006 - Statement - Consolidated Statement of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofCashFlowsStatement" roleURI="http://www.trimascorp.com/role/ConsolidatedStatementofCashFlowsStatement">
        <link:definition>0000007 - Statement - Consolidated Statement of Cash Flows Statement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementofShareholdersEquityStatement" roleURI="http://www.trimascorp.com/role/ConsolidatedStatementofShareholdersEquityStatement">
        <link:definition>0000008 - Statement - Consolidated Statement of Shareholders' Equity Statement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentation" roleURI="http://www.trimascorp.com/role/BasisofPresentation">
        <link:definition>0000009 - Disclosure - Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NewAccountingPronouncements" roleURI="http://www.trimascorp.com/role/NewAccountingPronouncements">
        <link:definition>0000010 - Disclosure - New Accounting Pronouncements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.trimascorp.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>0000011 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityOffering" roleURI="http://www.trimascorp.com/role/EquityOffering">
        <link:definition>0000012 - Disclosure - Equity Offering</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAcquisitionsNotes" roleURI="http://www.trimascorp.com/role/AcquisitionsAcquisitionsNotes">
        <link:definition>0000013 - Disclosure - Acquisitions Acquisitions (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsDiscontinuedOperations" roleURI="http://www.trimascorp.com/role/DiscontinuedOperationsDiscontinuedOperations">
        <link:definition>0000014 - Disclosure - Discontinued Operations Discontinued Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringandRelatedActivities" roleURI="http://www.trimascorp.com/role/RestructuringandRelatedActivities">
        <link:definition>0000015 - Disclosure - Restructuring and Related Activities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRevenueNotes" roleURI="http://www.trimascorp.com/role/RevenueRevenueNotes">
        <link:definition>0000016 - Disclosure - Revenue Revenue (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandCashEquivalents" roleURI="http://www.trimascorp.com/role/CashandCashEquivalents">
        <link:definition>0000017 - Disclosure - Cash and Cash Equivalents</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssets" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssets">
        <link:definition>0000018 - Disclosure - Goodwill and Other Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventories" roleURI="http://www.trimascorp.com/role/Inventories">
        <link:definition>0000019 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNet" roleURI="http://www.trimascorp.com/role/PropertyandEquipmentNet">
        <link:definition>0000020 - Disclosure - Property and Equipment, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilities" roleURI="http://www.trimascorp.com/role/AccruedLiabilities">
        <link:definition>0000021 - Disclosure - Accrued Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebt" roleURI="http://www.trimascorp.com/role/LongtermDebt">
        <link:definition>0000022 - Disclosure - Long-term Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstruments" roleURI="http://www.trimascorp.com/role/DerivativeInstruments">
        <link:definition>0000023 - Disclosure - Derivative Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.trimascorp.com/role/Leases">
        <link:definition>0000024 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherLongtermLiabilities" roleURI="http://www.trimascorp.com/role/OtherLongtermLiabilities">
        <link:definition>0000025 - Disclosure - Other Long-term Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.trimascorp.com/role/CommitmentsandContingencies">
        <link:definition>0000026 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlans" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlans">
        <link:definition>0000027 - Disclosure - Employee Benefit Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAwards" roleURI="http://www.trimascorp.com/role/EquityAwards">
        <link:definition>0000028 - Disclosure - Equity Awards</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareEarningsperShareNotes" roleURI="http://www.trimascorp.com/role/EarningsperShareEarningsperShareNotes">
        <link:definition>0000029 - Disclosure - Earnings per Share Earnings per Share (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherComprehensiveIncomeNotes" roleURI="http://www.trimascorp.com/role/OtherComprehensiveIncomeNotes">
        <link:definition>0000030 - Disclosure - Other Comprehensive Income (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.trimascorp.com/role/SegmentInformation">
        <link:definition>0000031 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.trimascorp.com/role/IncomeTaxes">
        <link:definition>0000032 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryQuarterlyFinancialData" roleURI="http://www.trimascorp.com/role/SummaryQuarterlyFinancialData">
        <link:definition>0000033 - Disclosure - Summary Quarterly Financial Data</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsSubsequentEventsNotes" roleURI="http://www.trimascorp.com/role/SubsequentEventsSubsequentEventsNotes">
        <link:definition>0000034 - Disclosure - Subsequent Events Subsequent Events (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SECScheduleArticle1209ValuationandQualifyingAccounts" roleURI="http://www.trimascorp.com/role/SECScheduleArticle1209ValuationandQualifyingAccounts">
        <link:definition>0000035 - Disclosure - SEC Schedule, Article 12-09, Valuation and Qualifying Accounts</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesSummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.trimascorp.com/role/SummaryofSignificantAccountingPoliciesSummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>0000036 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsDiscontinuedOperationsTables" roleURI="http://www.trimascorp.com/role/DiscontinuedOperationsDiscontinuedOperationsTables">
        <link:definition>0000037 - Disclosure - Discontinued Operations Discontinued Operations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueTables" roleURI="http://www.trimascorp.com/role/RevenueTables">
        <link:definition>0000038 - Disclosure - Revenue (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandCashEquivalentsTables" roleURI="http://www.trimascorp.com/role/CashandCashEquivalentsTables">
        <link:definition>0000039 - Disclosure - Cash and Cash Equivalents (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsTables" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssetsTables">
        <link:definition>0000040 - Disclosure - Goodwill and Other Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesTables" roleURI="http://www.trimascorp.com/role/InventoriesTables">
        <link:definition>0000041 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNetTables" roleURI="http://www.trimascorp.com/role/PropertyandEquipmentNetTables">
        <link:definition>0000042 - Disclosure - Property and Equipment, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilitiesTables" roleURI="http://www.trimascorp.com/role/AccruedLiabilitiesTables">
        <link:definition>0000043 - Disclosure - Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtTables" roleURI="http://www.trimascorp.com/role/LongtermDebtTables">
        <link:definition>0000044 - Disclosure - Long-term Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsTables" roleURI="http://www.trimascorp.com/role/DerivativeInstrumentsTables">
        <link:definition>0000045 - Disclosure - Derivative Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.trimascorp.com/role/LeasesTables">
        <link:definition>0000046 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherLongtermLiabilitiesTables" roleURI="http://www.trimascorp.com/role/OtherLongtermLiabilitiesTables">
        <link:definition>0000047 - Disclosure - Other Long-term Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesTables" roleURI="http://www.trimascorp.com/role/CommitmentsandContingenciesTables">
        <link:definition>0000048 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansTables" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansTables">
        <link:definition>0000049 - Disclosure - Employee Benefit Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAwardsTables" roleURI="http://www.trimascorp.com/role/EquityAwardsTables">
        <link:definition>0000050 - Disclosure - Equity Awards (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareEarningsperShareTables" roleURI="http://www.trimascorp.com/role/EarningsperShareEarningsperShareTables">
        <link:definition>0000051 - Disclosure - Earnings per Share Earnings per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherComprehensiveIncomeTables" roleURI="http://www.trimascorp.com/role/OtherComprehensiveIncomeTables">
        <link:definition>0000052 - Disclosure - Other Comprehensive Income (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.trimascorp.com/role/SegmentInformationTables">
        <link:definition>0000053 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.trimascorp.com/role/IncomeTaxesTables">
        <link:definition>0000054 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryQuarterlyFinancialDataTables" roleURI="http://www.trimascorp.com/role/SummaryQuarterlyFinancialDataTables">
        <link:definition>0000055 - Disclosure - Summary Quarterly Financial Data (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsSubsequentEventsTables" roleURI="http://www.trimascorp.com/role/SubsequentEventsSubsequentEventsTables">
        <link:definition>0000056 - Disclosure - Subsequent Events Subsequent Events (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SECScheduleArticle1209ValuationandQualifyingAccountsTables" roleURI="http://www.trimascorp.com/role/SECScheduleArticle1209ValuationandQualifyingAccountsTables">
        <link:definition>0000057 - Disclosure - SEC Schedule, Article 12-09, Valuation and Qualifying Accounts (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesReceivablesDetails" roleURI="http://www.trimascorp.com/role/SummaryofSignificantAccountingPoliciesReceivablesDetails">
        <link:definition>0000058 - Disclosure - Summary of Significant Accounting Policies - Receivables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesDepreciationandAmortizationDetails" roleURI="http://www.trimascorp.com/role/SummaryofSignificantAccountingPoliciesDepreciationandAmortizationDetails">
        <link:definition>0000059 - Disclosure - Summary of Significant Accounting Policies - Depreciation and Amortization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesGoodwillandIndefiniteLivedIntangiblesDetails" roleURI="http://www.trimascorp.com/role/SummaryofSignificantAccountingPoliciesGoodwillandIndefiniteLivedIntangiblesDetails">
        <link:definition>0000060 - Disclosure - Summary of Significant Accounting Policies - Goodwill and Indefinite-Lived Intangibles (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesHighDeductibleInsuranceDetails" roleURI="http://www.trimascorp.com/role/SummaryofSignificantAccountingPoliciesHighDeductibleInsuranceDetails">
        <link:definition>0000061 - Disclosure - Summary of Significant Accounting Policies - High Deductible Insurance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesForeignCurrencyTranslationDetails" roleURI="http://www.trimascorp.com/role/SummaryofSignificantAccountingPoliciesForeignCurrencyTranslationDetails">
        <link:definition>0000062 - Disclosure - Summary of Significant Accounting Policies - Foreign Currency Translation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityOfferingDetails" roleURI="http://www.trimascorp.com/role/EquityOfferingDetails">
        <link:definition>0000063 - Disclosure - Equity Offering (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAcquisitionsNarrativeDetails" roleURI="http://www.trimascorp.com/role/AcquisitionsAcquisitionsNarrativeDetails">
        <link:definition>0000064 - Disclosure - Acquisitions Acquisitions - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsSaleofLamonsDivisionNarrativeDetails" roleURI="http://www.trimascorp.com/role/DiscontinuedOperationsSaleofLamonsDivisionNarrativeDetails">
        <link:definition>0000065 - Disclosure - Discontinued Operations Sale of Lamons Division Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsResultsofDiscontinuedOperationsDetails" roleURI="http://www.trimascorp.com/role/DiscontinuedOperationsResultsofDiscontinuedOperationsDetails">
        <link:definition>0000066 - Disclosure - Discontinued Operations Results of Discontinued Operations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringandRelatedActivitiesDetails" roleURI="http://www.trimascorp.com/role/RestructuringandRelatedActivitiesDetails">
        <link:definition>0000067 - Disclosure - Restructuring and Related Activities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueDetails" roleURI="http://www.trimascorp.com/role/RevenueDetails">
        <link:definition>0000068 - Disclosure - Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandCashEquivalentsDetails" roleURI="http://www.trimascorp.com/role/CashandCashEquivalentsDetails">
        <link:definition>0000069 - Disclosure - Cash and Cash Equivalents (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsGoodwillNarrativeDetails" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssetsGoodwillNarrativeDetails">
        <link:definition>0000070 - Disclosure - Goodwill and Other Intangible Assets - Goodwill Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsGoodwillRollforwardDetails" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssetsGoodwillRollforwardDetails">
        <link:definition>0000071 - Disclosure - Goodwill and Other Intangible Assets - Goodwill Rollforward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsIntangiblesNarrativeDetails" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssetsIntangiblesNarrativeDetails">
        <link:definition>0000072 - Disclosure - Goodwill and Other Intangible Assets - Intangibles Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails">
        <link:definition>0000073 - Disclosure - Goodwill and Other Intangible Assets - Other Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsAmortizationExpenseDetails" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsAmortizationExpenseDetails">
        <link:definition>0000074 - Disclosure - Goodwill and Other Intangible Assets - Other Intangible Assets Amortization Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsExpectedAmortizationExpenseDetailsDetails" roleURI="http://www.trimascorp.com/role/GoodwillandOtherIntangibleAssetsExpectedAmortizationExpenseDetailsDetails">
        <link:definition>0000075 - Disclosure - Goodwill and Other Intangible Assets - Expected Amortization Expense (Details) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesDetails" roleURI="http://www.trimascorp.com/role/InventoriesDetails">
        <link:definition>0000076 - Disclosure - Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNetPropertyandEquipmentTableDetails" roleURI="http://www.trimascorp.com/role/PropertyandEquipmentNetPropertyandEquipmentTableDetails">
        <link:definition>0000077 - Disclosure - Property and Equipment, Net - Property and Equipment Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNetDepreciationExpenseTableDetails" roleURI="http://www.trimascorp.com/role/PropertyandEquipmentNetDepreciationExpenseTableDetails">
        <link:definition>0000078 - Disclosure - Property and Equipment, Net - Depreciation Expense Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilitiesDetails" roleURI="http://www.trimascorp.com/role/AccruedLiabilitiesDetails">
        <link:definition>0000079 - Disclosure - Accrued Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtDebtTableDetails" roleURI="http://www.trimascorp.com/role/LongtermDebtDebtTableDetails">
        <link:definition>0000080 - Disclosure - Long-term Debt - Debt Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtSeniorNotesDetails" roleURI="http://www.trimascorp.com/role/LongtermDebtSeniorNotesDetails">
        <link:definition>0000081 - Disclosure - Long-term Debt - Senior Notes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtCreditAgreementDetails" roleURI="http://www.trimascorp.com/role/LongtermDebtCreditAgreementDetails">
        <link:definition>0000082 - Disclosure - Long-term Debt - Credit Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtOtherRevolvingLoanFacilityDetails" roleURI="http://www.trimascorp.com/role/LongtermDebtOtherRevolvingLoanFacilityDetails">
        <link:definition>0000083 - Disclosure - Long-term Debt - Other Revolving Loan Facility (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtLongtermDebtMaturitiesDetails" roleURI="http://www.trimascorp.com/role/LongtermDebtLongtermDebtMaturitiesDetails">
        <link:definition>0000084 - Disclosure - Long-term Debt - Long-term Debt Maturities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtFairValueDetails" roleURI="http://www.trimascorp.com/role/LongtermDebtFairValueDetails">
        <link:definition>0000085 - Disclosure - Long-term Debt - Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongtermDebtDebtIssuanceCostsDetails" roleURI="http://www.trimascorp.com/role/LongtermDebtDebtIssuanceCostsDetails">
        <link:definition>0000086 - Disclosure - Long-term Debt - Debt Issuance Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsDerivativeNarrativeDetails" roleURI="http://www.trimascorp.com/role/DerivativeInstrumentsDerivativeNarrativeDetails">
        <link:definition>0000087 - Disclosure - Derivative Instruments - Derivative Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsDesignatedashedgingFinancialPositionDetails" roleURI="http://www.trimascorp.com/role/DerivativeInstrumentsDesignatedashedgingFinancialPositionDetails">
        <link:definition>0000088 - Disclosure - Derivative Instruments - Designated as hedging, Financial Position (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsDesignatedashedgingFinancialPerformanceDetails" roleURI="http://www.trimascorp.com/role/DerivativeInstrumentsDesignatedashedgingFinancialPerformanceDetails">
        <link:definition>0000089 - Disclosure - Derivative Instruments - Designated as hedging, Financial Performance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsDerivativesnotdesignatedashedginginstrumentsDetails" roleURI="http://www.trimascorp.com/role/DerivativeInstrumentsDerivativesnotdesignatedashedginginstrumentsDetails">
        <link:definition>0000090 - Disclosure - Derivative Instruments - Derivatives not designated as hedging instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsFairValueMeasurementsDetails" roleURI="http://www.trimascorp.com/role/DerivativeInstrumentsFairValueMeasurementsDetails">
        <link:definition>0000091 - Disclosure - Derivative Instruments - Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesLeaseCostsDetails" roleURI="http://www.trimascorp.com/role/LeasesLeaseCostsDetails">
        <link:definition>0000092 - Disclosure - Leases Lease Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesOperatingLeaseLiabilityMaturityTableDetails" roleURI="http://www.trimascorp.com/role/LeasesOperatingLeaseLiabilityMaturityTableDetails">
        <link:definition>0000093 - Disclosure - Leases Operating Lease Liability Maturity Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesSupplementalBalanceSheetInformationRelatedtoLeasesDetails" roleURI="http://www.trimascorp.com/role/LeasesSupplementalBalanceSheetInformationRelatedtoLeasesDetails">
        <link:definition>0000094 - Disclosure - Leases Supplemental Balance Sheet Information Related to Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesSupplementalCashFlowInformationRelatedtoLeasesDetails" roleURI="http://www.trimascorp.com/role/LeasesSupplementalCashFlowInformationRelatedtoLeasesDetails">
        <link:definition>0000095 - Disclosure - Leases Supplemental Cash Flow Information Related to Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherLongtermLiabilitiesDetails" roleURI="http://www.trimascorp.com/role/OtherLongtermLiabilitiesDetails">
        <link:definition>0000096 - Disclosure - Other Long-term Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesAsbestosNarrativeDetails" roleURI="http://www.trimascorp.com/role/CommitmentsandContingenciesAsbestosNarrativeDetails">
        <link:definition>0000097 - Disclosure - Commitments and Contingencies - Asbestos Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesAsbestosClaimantandSettlementDetails" roleURI="http://www.trimascorp.com/role/CommitmentsandContingenciesAsbestosClaimantandSettlementDetails">
        <link:definition>0000098 - Disclosure - Commitments and Contingencies - Asbestos Claimant and Settlement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesAsbestosDamagesSoughtDetails" roleURI="http://www.trimascorp.com/role/CommitmentsandContingenciesAsbestosDamagesSoughtDetails">
        <link:definition>0000099 - Disclosure - Commitments and Contingencies - Asbestos Damages Sought (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesMetaldyneCorporationDetails" roleURI="http://www.trimascorp.com/role/CommitmentsandContingenciesMetaldyneCorporationDetails">
        <link:definition>0000100 - Disclosure - Commitments and Contingencies Metaldyne Corporation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesClaimsandLitigationDetails" roleURI="http://www.trimascorp.com/role/CommitmentsandContingenciesClaimsandLitigationDetails">
        <link:definition>0000101 - Disclosure - Commitments and Contingencies Claims and Litigation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansDefinedContributionPlanDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansDefinedContributionPlanDetails">
        <link:definition>0000102 - Disclosure - Employee Benefit Plans Defined Contribution Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansDefinedBenefitPlanNarrativeDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansDefinedBenefitPlanNarrativeDetails">
        <link:definition>0000103 - Disclosure - Employee Benefit Plans Defined Benefit Plan Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansNetPeriodicPensionandPostretirementBenefitCostsDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansNetPeriodicPensionandPostretirementBenefitCostsDetails">
        <link:definition>0000104 - Disclosure - Employee Benefit Plans - Net Periodic Pension and Postretirement Benefit Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansAssumptionsUsedforUSDefinedBenefitPlansTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansAssumptionsUsedforUSDefinedBenefitPlansTableDetails">
        <link:definition>0000105 - Disclosure - Employee Benefit Plans Assumptions Used for U.S Defined Benefit Plans Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansAssumptionsUsedforNonUSDefinedPensionPlansTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansAssumptionsUsedforNonUSDefinedPensionPlansTableDetails">
        <link:definition>0000106 - Disclosure - Employee Benefit Plans Assumptions Used for Non-U.S. Defined Pension Plans Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansDefinedBenefitPlanChangeinBenefitObligationsandPlanAssetsTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansDefinedBenefitPlanChangeinBenefitObligationsandPlanAssetsTableDetails">
        <link:definition>0000107 - Disclosure - Employee Benefit Plans Defined Benefit Plan Change in Benefit Obligations and Plan Assets Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansAmountsRecognizedonBalanceSheetTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansAmountsRecognizedonBalanceSheetTableDetails">
        <link:definition>0000108 - Disclosure - Employee Benefit Plans Amounts Recognized on Balance Sheet Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansAmountsRecognizedinAccumulatedOtherComprehensiveIncomeLossDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansAmountsRecognizedinAccumulatedOtherComprehensiveIncomeLossDetails">
        <link:definition>0000109 - Disclosure - Employee Benefit Plans Amounts Recognized in Accumulated Other Comprehensive Income (Loss) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansPlanswithBenefitObligationsinExcessofAssetsTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansPlanswithBenefitObligationsinExcessofAssetsTableDetails">
        <link:definition>0000110 - Disclosure - Employee Benefit Plans Plans with Benefit Obligations in Excess of Assets Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansEffectofChangeinDiscountRateandExpectedReturnonPlanAssetsTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansEffectofChangeinDiscountRateandExpectedReturnonPlanAssetsTableDetails">
        <link:definition>0000111 - Disclosure - Employee Benefit Plans Effect of Change in Discount Rate and Expected Return on Plan Assets Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansWeightedAverageAssetAllocationbyPensionPlanDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansWeightedAverageAssetAllocationbyPensionPlanDetails">
        <link:definition>0000112 - Disclosure - Employee Benefit Plans Weighted Average Asset Allocation by Pension Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansPensionPlanAssetsFairValueHierarchyTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansPensionPlanAssetsFairValueHierarchyTableDetails">
        <link:definition>0000113 - Disclosure - Employee Benefit Plans Pension Plan Assets Fair Value Hierarchy Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlansFutureBenefitPaymentsTableDetails" roleURI="http://www.trimascorp.com/role/EmployeeBenefitPlansFutureBenefitPaymentsTableDetails">
        <link:definition>0000114 - Disclosure - Employee Benefit Plans Future Benefit Payments Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAwardsEquityAwardsNarrativeDetails" roleURI="http://www.trimascorp.com/role/EquityAwardsEquityAwardsNarrativeDetails">
        <link:definition>0000115 - Disclosure - Equity Awards - Equity Awards Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAwardsStockOptionsNarrativeDetails" roleURI="http://www.trimascorp.com/role/EquityAwardsStockOptionsNarrativeDetails">
        <link:definition>0000116 - Disclosure - Equity Awards - Stock Options Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAwardsStockOptionActivityTableDetails" roleURI="http://www.trimascorp.com/role/EquityAwardsStockOptionActivityTableDetails">
        <link:definition>0000117 - Disclosure - Equity Awards - Stock Option Activity Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAwardsRestrictedSharesNarrativeDetails" roleURI="http://www.trimascorp.com/role/EquityAwardsRestrictedSharesNarrativeDetails">
        <link:definition>0000118 - Disclosure - Equity Awards - Restricted Shares Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityAwardsRestrictedSharesActivityTableDetails" roleURI="http://www.trimascorp.com/role/EquityAwardsRestrictedSharesActivityTableDetails">
        <link:definition>0000119 - Disclosure - Equity Awards - Restricted Shares Activity Table (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareEarningsperShareDetails" roleURI="http://www.trimascorp.com/role/EarningsperShareEarningsperShareDetails">
        <link:definition>0000120 - Disclosure - Earnings per Share Earnings per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperSharePurchaseofCommonStockDetails" roleURI="http://www.trimascorp.com/role/EarningsperSharePurchaseofCommonStockDetails">
        <link:definition>0000121 - Disclosure - Earnings per Share Purchase of Common Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareDividendsDetails" roleURI="http://www.trimascorp.com/role/EarningsperShareDividendsDetails">
        <link:definition>0000122 - Disclosure - Earnings per Share Dividends (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherComprehensiveIncomeDetails" roleURI="http://www.trimascorp.com/role/OtherComprehensiveIncomeDetails">
        <link:definition>0000123 - Disclosure - Other Comprehensive Income (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails" roleURI="http://www.trimascorp.com/role/SegmentInformationDetails">
        <link:definition>0000124 - Disclosure - Segment Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationRevenuesandOperatingNetAssetsbyGeographicalAreasDetails" roleURI="http://www.trimascorp.com/role/SegmentInformationRevenuesandOperatingNetAssetsbyGeographicalAreasDetails">
        <link:definition>0000125 - Disclosure - Segment Information Revenues and Operating Net Assets by Geographical Areas (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationNarrativeDetails" roleURI="http://www.trimascorp.com/role/SegmentInformationNarrativeDetails">
        <link:definition>0000126 - Disclosure - Segment Information Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesIncomeTaxbyJurisdictionDetails" roleURI="http://www.trimascorp.com/role/IncomeTaxesIncomeTaxbyJurisdictionDetails">
        <link:definition>0000127 - Disclosure - Income Taxes Income Tax by Jurisdiction (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsofDeferredTaxesDetails" roleURI="http://www.trimascorp.com/role/IncomeTaxesComponentsofDeferredTaxesDetails">
        <link:definition>0000128 - Disclosure - Income Taxes Components of Deferred Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesIncomeTaxExpenseReconciliationDetails" roleURI="http://www.trimascorp.com/role/IncomeTaxesIncomeTaxExpenseReconciliationDetails">
        <link:definition>0000129 - Disclosure - Income Taxes Income Tax Expense Reconciliation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesOperatingLossCarryforwardsNarrativeDetails" roleURI="http://www.trimascorp.com/role/IncomeTaxesOperatingLossCarryforwardsNarrativeDetails">
        <link:definition>0000130 - Disclosure - Income Taxes Operating Loss Carryforwards Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesUnrecognizedTaxBenefitsNarrativeDetails" roleURI="http://www.trimascorp.com/role/IncomeTaxesUnrecognizedTaxBenefitsNarrativeDetails">
        <link:definition>0000131 - Disclosure - Income Taxes Unrecognized Tax Benefits Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesUnrecognizedTaxBenefitsRollforwardDetails" roleURI="http://www.trimascorp.com/role/IncomeTaxesUnrecognizedTaxBenefitsRollforwardDetails">
        <link:definition>0000132 - Disclosure - Income Taxes Unrecognized Tax Benefits Rollforward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryQuarterlyFinancialDataDetails" roleURI="http://www.trimascorp.com/role/SummaryQuarterlyFinancialDataDetails">
        <link:definition>0000133 - Disclosure - Summary Quarterly Financial Data (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsSubsequentEventsAcqusitionDetails" roleURI="http://www.trimascorp.com/role/SubsequentEventsSubsequentEventsAcqusitionDetails">
        <link:definition>0000134 - Disclosure - Subsequent Events Subsequent Events - Acqusition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DividendsDeclaredDetails" roleURI="http://www.trimascorp.com/role/DividendsDeclaredDetails">
        <link:definition>0000135 - Disclosure - Dividends Declared (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SECScheduleArticle1209ValuationandQualifyingAccountsDetails" roleURI="http://www.trimascorp.com/role/SECScheduleArticle1209ValuationandQualifyingAccountsDetails">
        <link:definition>0000136 - Disclosure - SEC Schedule, Article 12-09, Valuation and Qualifying Accounts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="trs_ScheduleOfDepreciationExpenseTable" abstract="true" name="ScheduleOfDepreciationExpenseTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_Fairvalueinputsvaluationmethoddiscountrate" abstract="false" name="Fairvalueinputsvaluationmethoddiscountrate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_DepreciationExpenseLineItems" abstract="true" name="DepreciationExpenseLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_FairValueInputsValuationMethodWeightingPercentageUsedMarketBasedApproach" abstract="false" name="FairValueInputsValuationMethodWeightingPercentageUsedMarketBasedApproach" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformancePeriodComplete" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardPerformancePeriodComplete" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_PropertyPlantAndEquipmentAndFiniteLivedIntangibleAssetsLineItems" abstract="true" name="PropertyPlantAndEquipmentAndFiniteLivedIntangibleAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_October2018CrossCurrencySwapMember" abstract="true" name="October2018CrossCurrencySwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_IncomeTaxReconciliationTaxonUndistributedForeignEarnings" abstract="false" name="IncomeTaxReconciliationTaxonUndistributedForeignEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_OtherComprehensiveIncomeLossNetInvestmentDerivativesNetOfTax" abstract="false" name="OtherComprehensiveIncomeLossNetInvestmentDerivativesNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_UsefulLifeSeventeenToThirtyYearsMember" abstract="true" name="UsefulLifeSeventeenToThirtyYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_EquityOfferingTextBlock" abstract="false" name="EquityOfferingTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_RapakMember" abstract="true" name="RapakMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_SeniorSecuredTermLoanMember" abstract="true" name="SeniorSecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ScheduleOfIntangibleAssetsExcludingGoodwillByMajorClassTableTextBlock" abstract="false" name="ScheduleOfIntangibleAssetsExcludingGoodwillByMajorClassTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_DefinedBenefitPlanFairValueofPlanAssetsNotSubjecttoLeveling" abstract="false" name="DefinedBenefitPlanFairValueofPlanAssetsNotSubjecttoLeveling" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_IntangibleAssetsExcludingGoodwillLineItems" abstract="true" name="IntangibleAssetsExcludingGoodwillLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_DepreciationExpenseTableTextBlock" abstract="false" name="DepreciationExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_TFIAerospaceMember" abstract="true" name="TFIAerospaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Plan1Member" abstract="true" name="Plan1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ScheduleofinsurancecoverageTable" abstract="true" name="ScheduleofinsurancecoverageTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_Plan5Member" abstract="true" name="Plan5Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AccumulatedNetGainLossfromHedgesAttributabletoParentMember" abstract="true" name="AccumulatedNetGainLossfromHedgesAttributabletoParentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ForeignCurrencyTranslationLineItems" abstract="true" name="ForeignCurrencyTranslationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfTwentyFiveBasisPointChangeInDiscountRateAbstractAbstract" abstract="true" name="DefinedBenefitPlanEffectOfTwentyFiveBasisPointChangeInDiscountRateAbstractAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_UsefulLifeFifteenToTwentyfiveYearsMember" abstract="true" name="UsefulLifeFifteenToTwentyfiveYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_MachinedProductsReportingUnitMember" abstract="true" name="MachinedProductsReportingUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ImpairmentTestDomain" abstract="true" name="ImpairmentTestDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_A4125SeniorUnsecuredNotesDue2029Member" abstract="true" name="A4125SeniorUnsecuredNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DirectorRetainerMember" abstract="true" name="DirectorRetainerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_LossContingencyPendingCasesNumber" abstract="false" name="LossContingencyPendingCasesNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="trs_TotalOtherIntangibleAssetsGross" abstract="false" name="TotalOtherIntangibleAssetsGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ChangeInGoodwillImpairmentDueToChangeInDiscountRate" abstract="false" name="ChangeInGoodwillImpairmentDueToChangeInDiscountRate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_PerformanceBasedRestricedSharesMember" abstract="true" name="PerformanceBasedRestricedSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AffabaFerrariSrlMember" abstract="true" name="AffabaFerrariSrlMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_A2002PlanMember" abstract="true" name="A2002PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_StockIssuedDuringPeriodValuePerShareOfferingPrice" abstract="false" name="StockIssuedDuringPeriodValuePerShareOfferingPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="trs_ChangeInGoodwillImpairmentDueToChangeInTerminalRate" abstract="false" name="ChangeInGoodwillImpairmentDueToChangeInTerminalRate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DeferredTaxLiabilitiesRightofUseAsset" abstract="false" name="DeferredTaxLiabilitiesRightofUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_Range2Member" abstract="true" name="Range2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_WeldmacManufacturingMember" abstract="true" name="WeldmacManufacturingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AerospaceendmarketcustomersMember" abstract="true" name="AerospaceendmarketcustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_CashPaidForSeverance" abstract="false" name="CashPaidForSeverance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_TotalshareholderreturnmetricMember" abstract="true" name="TotalshareholderreturnmetricMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ScheduleOfDamagesSoughtForSpecificClaimsTableTextBlock" abstract="false" name="ScheduleOfDamagesSoughtForSpecificClaimsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_IndustrialendmarketcustomersMember" abstract="true" name="IndustrialendmarketcustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Shorttermvariableandotherleasecosts" abstract="false" name="Shorttermvariableandotherleasecosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DisposalGroupIncludingDiscontinuedOperationsNonoperatingExpense" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationsNonoperatingExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_Plan4Member" abstract="true" name="Plan4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Plan8Member" abstract="true" name="Plan8Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Increasedecreaseinasbestosliability" abstract="false" name="Increasedecreaseinasbestosliability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ScheduleOfAmortizationOfIntangibleAssetsTable" abstract="true" name="ScheduleOfAmortizationOfIntangibleAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_FiniteLivedIntangibleAssetsByUsefulLifeAxis" abstract="true" name="FiniteLivedIntangibleAssetsByUsefulLifeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_DeferredTaxAssetsOperatingleaseliability" abstract="false" name="DeferredTaxAssetsOperatingleaseliability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfFiftyBasisPointIncreaseInExpectedReturnOnPlanAssetsOnExpense" abstract="false" name="DefinedBenefitPlanEffectOfFiftyBasisPointIncreaseInExpectedReturnOnPlanAssetsOnExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ReceivablesFacilityandotherMemberMember" abstract="true" name="ReceivablesFacilityandotherMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_IncrementalDebtCommitmentsCapacity" abstract="false" name="IncrementalDebtCommitmentsCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ConsumerendmarketcustomersMember" abstract="true" name="ConsumerendmarketcustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_A4.875SeniorUnsecuredNotesDue2025Member" abstract="true" name="A4.875SeniorUnsecuredNotesDue2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Transactioncostsrelatedtosaleofbusiness" abstract="false" name="Transactioncostsrelatedtosaleofbusiness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_CashAndCashEquivalentsUnrestricted" abstract="false" name="CashAndCashEquivalentsUnrestricted" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_Goodwillreassignedbetweensegments" abstract="false" name="Goodwillreassignedbetweensegments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_WorkersCompensationMember" abstract="true" name="WorkersCompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Reclassificationofstrandedtaxeffects" abstract="false" name="Reclassificationofstrandedtaxeffects" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ChangeInTerminalGrowthRate" abstract="false" name="ChangeInTerminalGrowthRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_RealignmentActionsTable" abstract="true" name="RealignmentActionsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfFiftyBasisPointChangeInExpectedReturnOnPlanAssetsAbstractAbstract" abstract="true" name="DefinedBenefitPlanEffectOfFiftyBasisPointChangeInExpectedReturnOnPlanAssetsAbstractAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfTwentyFiveBasisPointDecreaseInDiscountRateOnExpense" abstract="false" name="DefinedBenefitPlanEffectOfTwentyFiveBasisPointDecreaseInDiscountRateOnExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_QuantitativeImpairmentTestAxis" abstract="true" name="QuantitativeImpairmentTestAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_FairValueInputsValuationMethodWeightingPercentageUsedIncomeBasedApproach" abstract="false" name="FairValueInputsValuationMethodWeightingPercentageUsedIncomeBasedApproach" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_DebtfinancingandrelatedexpensesMember" abstract="true" name="DebtfinancingandrelatedexpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_November2020CrossCurrencySwapMember" abstract="true" name="November2020CrossCurrencySwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DeferredTaxAssetsOperatingLossAndCreditCarryforwards" abstract="false" name="DeferredTaxAssetsOperatingLossAndCreditCarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ScheduleOfEquityOfferingTable" abstract="true" name="ScheduleOfEquityOfferingTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_Plan3Member" abstract="true" name="Plan3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Plan2Member" abstract="true" name="Plan2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ForeignCurrencyTranslationTable" abstract="true" name="ForeignCurrencyTranslationTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_Percentageofprincipalthatcanberedeemedwithcashproceedsfromanequityoffering" abstract="false" name="Percentageofprincipalthatcanberedeemedwithcashproceedsfromanequityoffering" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_CompensatoryAndPunitiveDamagesMember" abstract="true" name="CompensatoryAndPunitiveDamagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_LossContingencySettlementAgreementAverageConsideration" abstract="false" name="LossContingencySettlementAgreementAverageConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_Purchasepricebasedondefinitivesalesagreement" abstract="false" name="Purchasepricebasedondefinitivesalesagreement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DisposalGroupIncludingDiscontinuedOperationsOtherExpensenet" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationsOtherExpensenet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_Range3Member" abstract="true" name="Range3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DamagesSoughtTypeDomain" abstract="true" name="DamagesSoughtTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AveragestockpriceMember" abstract="true" name="AveragestockpriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AerospaceFastenersReportingUnitMember" abstract="true" name="AerospaceFastenersReportingUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DefinedBenefitPlanBenefitObligationAnnuityPurchase" abstract="false" name="DefinedBenefitPlanBenefitObligationAnnuityPurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfTwentyFiveBasisPointIncreaseInDiscountRateOnBenefitObligation" abstract="false" name="DefinedBenefitPlanEffectOfTwentyFiveBasisPointIncreaseInDiscountRateOnBenefitObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPercentageEarnedBasedOnMetricOverPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPercentageEarnedBasedOnMetricOverPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_Fairvalueinputsvaluationmethodresidualgrowthrate" abstract="false" name="Fairvalueinputsvaluationmethodresidualgrowthrate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_ScheduleOfEffectOfChangeInDiscountRateAndExpectedReturnOnAssetsOnBenefitObligationsAndExpenseTableTextBlock" abstract="false" name="ScheduleOfEffectOfChangeInDiscountRateAndExpectedReturnOnAssetsOnBenefitObligationsAndExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_ChargesRelatedToRealignmentActions" abstract="false" name="ChargesRelatedToRealignmentActions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ExportSalesFromUnitedStatesOfAmerica" abstract="false" name="ExportSalesFromUnitedStatesOfAmerica" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DepreciationAndAmortizationAndImpairmentOfLongLivedAssetsAndDefinedLivedIntangibleAssetsPolicyTextBlock" abstract="false" name="DepreciationAndAmortizationAndImpairmentOfLongLivedAssetsAndDefinedLivedIntangibleAssetsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_RSAEngineeredProductsMemberMember" abstract="true" name="RSAEngineeredProductsMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_GroupMedicalPlanMember" abstract="true" name="GroupMedicalPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_A2017EquityandIncentiveCompensationPlanMember" abstract="true" name="A2017EquityandIncentiveCompensationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAmountOfSharesEarnedOfTargetAward" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAmountOfSharesEarnedOfTargetAward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_Plan6Member" abstract="true" name="Plan6Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AsbestosRelatedLiabilityNoncurrent" abstract="false" name="AsbestosRelatedLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardCashValueOfIncentivePlan" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardCashValueOfIncentivePlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_DeferredTaxLiabilitiesInvestmentinForeignAffiliatesIncludingWithholdingTax" abstract="false" name="DeferredTaxLiabilitiesInvestmentinForeignAffiliatesIncludingWithholdingTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_Plan9Member" abstract="true" name="Plan9Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AccumulatedOtherComprehensiveIncomeNetofTaxRollForward" abstract="true" name="AccumulatedOtherComprehensiveIncomeNetofTaxRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_EmployeeRelatedCosts" abstract="false" name="EmployeeRelatedCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_OrdinaryCourseClaimsMember" abstract="true" name="OrdinaryCourseClaimsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AerospaceReportingUnitMember" abstract="true" name="AerospaceReportingUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_SpecialtyProductsReportableSegmentMember" abstract="true" name="SpecialtyProductsReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_NetLeverageRatio" abstract="false" name="NetLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="trs_RealignmentActionsAbstract" abstract="true" name="RealignmentActionsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_StopLossLimit" abstract="false" name="StopLossLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncentiveCompensationPlanThresholdTargetAwardForGrantingStockAward" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardIncentiveCompensationPlanThresholdTargetAwardForGrantingStockAward" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_CreditAgreementMember" abstract="true" name="CreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_RealignmentActionsLineItems" abstract="true" name="RealignmentActionsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_Realignmentcosts" abstract="false" name="Realignmentcosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_InsuranceTypeAxis" abstract="true" name="InsuranceTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfTwentyFiveBasisPointDecreaseInDiscountRateOnBenefitObligation" abstract="false" name="DefinedBenefitPlanEffectOfTwentyFiveBasisPointDecreaseInDiscountRateOnBenefitObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DefinedBenefitPlansSettlementsandCurtailments" abstract="false" name="DefinedBenefitPlansSettlementsandCurtailments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ScheduleOfPropertyPlantAndEquipmentAndFiniteLivedIntangibleAssetsTable" abstract="true" name="ScheduleOfPropertyPlantAndEquipmentAndFiniteLivedIntangibleAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_PackagingReportableSegmentMember" abstract="true" name="PackagingReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Range1Member" abstract="true" name="Range1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DerivativeContractDateDomain" abstract="true" name="DerivativeContractDateDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ScheduleOfFiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock" abstract="false" name="ScheduleOfFiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_ScheduleOfIntangibleAssetsExcludingGoodwillByMajorClassTable" abstract="true" name="ScheduleOfIntangibleAssetsExcludingGoodwillByMajorClassTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedSharesValueOfIncentivePlan" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedSharesValueOfIncentivePlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_OtherAmericasMember" abstract="true" name="OtherAmericasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_ScheduleOfChangesInProjectedBenefitObligationsAndFairValueInPlanAssetsTableTextBlock" abstract="false" name="ScheduleOfChangesInProjectedBenefitObligationsAndFairValueInPlanAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_OtherLongTermLiabilitiesOtherThanAsbestosLiability" abstract="false" name="OtherLongTermLiabilitiesOtherThanAsbestosLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_MetricTypeDomain" abstract="true" name="MetricTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DamagesSoughtDomain" abstract="true" name="DamagesSoughtDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_RealignmentActionsDomain" abstract="true" name="RealignmentActionsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_IncomeTaxReconciliationTaxReform" abstract="false" name="IncomeTaxReconciliationTaxReform" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedMetricEarningsPerShare" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedMetricEarningsPerShare" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_AerospaceEngineeredProductsReportingUnitMember" abstract="true" name="AerospaceEngineeredProductsReportingUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_InsuranceTypeDomain" abstract="true" name="InsuranceTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_InsurancecoverageLineItems" abstract="true" name="InsurancecoverageLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_ScheduleOfDebtInstrumentsTable" abstract="true" name="ScheduleOfDebtInstrumentsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_TechnologyAndOtherMember" abstract="true" name="TechnologyAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Plan7Member" abstract="true" name="Plan7Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_OmegaPlasticsMember" abstract="true" name="OmegaPlasticsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DocumentAndEntityInformationAbstract" abstract="true" name="DocumentAndEntityInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_HighDeductibleInsurancePolicyTextBlock" abstract="false" name="HighDeductibleInsurancePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_OtherComprehensiveIncomeAbstract" abstract="true" name="OtherComprehensiveIncomeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_RevolvingCreditAndTermLoanFacilitiesMember" abstract="true" name="RevolvingCreditAndTermLoanFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DefinedBenefitPlanFairValueofPlanAssetsSubjecttoLeveling" abstract="false" name="DefinedBenefitPlanFairValueofPlanAssetsSubjecttoLeveling" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_FacilityConsolidationRealignmentCosts" abstract="false" name="FacilityConsolidationRealignmentCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_MetricTypeAxis" abstract="true" name="MetricTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfFiftyBasisPointDecreaseInExpectedReturnOnPlanAssetsOnExpense" abstract="false" name="DefinedBenefitPlanEffectOfFiftyBasisPointDecreaseInExpectedReturnOnPlanAssetsOnExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_AmortizationOfIntangibleAssetsLineItems" abstract="true" name="AmortizationOfIntangibleAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_MaximumRetention" abstract="false" name="MaximumRetention" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DamagesSoughtTypeAxis" abstract="true" name="DamagesSoughtTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_ServiceBasedRestricedSharesMember" abstract="true" name="ServiceBasedRestricedSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_UsefulLifeFiveToTwelveYearsMember" abstract="true" name="UsefulLifeFiveToTwelveYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_RealignmentActionsMember" abstract="true" name="RealignmentActionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_UsefulLifeOneToFifteenYearsMember" abstract="true" name="UsefulLifeOneToFifteenYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DamagesSoughtRangeAxis" abstract="true" name="DamagesSoughtRangeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_OilandgascustomerendmarketMember" abstract="true" name="OilandgascustomerendmarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_PercentageOfSettlementAndDefenseCostsCoveredByInsurance" abstract="false" name="PercentageOfSettlementAndDefenseCostsCoveredByInsurance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_LamonsDivisionMember" abstract="true" name="LamonsDivisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DerivativeContractDateAxis" abstract="true" name="DerivativeContractDateAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trs_CompensatoryOnlyDamagesMember" abstract="true" name="CompensatoryOnlyDamagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_DisposalGroupIncludingDiscontinuedOperationsSGA" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationsSGA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ConsolidatedBalanceSheetParentheticalAbstract" abstract="true" name="ConsolidatedBalanceSheetParentheticalAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_AerospaceReportableSegmentMember" abstract="true" name="AerospaceReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_EquityOfferingLineItems" abstract="true" name="EquityOfferingLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_NetGainLossOnDispositionOfAssetMember" abstract="true" name="NetGainLossOnDispositionOfAssetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_AartsPackagingBVMember" abstract="true" name="AartsPackagingBVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_NumberOfReportingUnitsThatHaveGoodwill" abstract="false" name="NumberOfReportingUnitsThatHaveGoodwill" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="trs_ImpactOfChangeInAccountingPrinciple" abstract="false" name="ImpactOfChangeInAccountingPrinciple" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_BusinessCombinationRecognizedIdentifiableAssetsandLiabilitiesAssumedNetWorkingCapital" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsandLiabilitiesAssumedNetWorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ImpactOfAdoptionOfNewAccountingPronouncement" abstract="false" name="ImpactOfAdoptionOfNewAccountingPronouncement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_AsbestosRelatedMattersPolicyTextBlock" abstract="false" name="AsbestosRelatedMattersPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="trs_DefinedBenefitPlanEffectOfTwentyFiveBasisPointIncreaseInDiscountRateOnExpense" abstract="false" name="DefinedBenefitPlanEffectOfTwentyFiveBasisPointIncreaseInDiscountRateOnExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_Debtinstrumentredemptionpricewithnetproceedsfromequityoffering" abstract="false" name="Debtinstrumentredemptionpricewithnetproceedsfromequityoffering" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_FiniteLivedIntangibleAssetsByUsefulLifeDomain" abstract="true" name="FiniteLivedIntangibleAssetsByUsefulLifeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_IntertechPlasticsLLCMember" abstract="true" name="IntertechPlasticsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_A3YearEpsCagrMetricMember" abstract="true" name="A3YearEpsCagrMetricMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Taxpaymentsrelatedtothesaleofbusiness" abstract="false" name="Taxpaymentsrelatedtothesaleofbusiness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ChangeInDiscountRate" abstract="false" name="ChangeInDiscountRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_PunitiveOnlyDamagesMember" abstract="true" name="PunitiveOnlyDamagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_Tradenamesfairvalueexceedscarryingvaluepercentage" abstract="false" name="Tradenamesfairvalueexceedscarryingvaluepercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_A2011PlanMember" abstract="true" name="A2011PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_A2006PlanMember" abstract="true" name="A2006PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_BankdebtandreceivablesfacilityMember" abstract="true" name="BankdebtandreceivablesfacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_StatementOfComprehensiveIncomeAbstract" abstract="true" name="StatementOfComprehensiveIncomeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_DeferredTaxAssetsResearchAndExperimentation" abstract="false" name="DeferredTaxAssetsResearchAndExperimentation" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_DefinedBenefitPlanPlanAssetsAnnuityPurchase" abstract="false" name="DefinedBenefitPlanPlanAssetsAnnuityPurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPercentageAttained" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPercentageAttained" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trs_LossContingencyNumberofPlaintiffsSpecifyingDamagesSought" abstract="false" name="LossContingencyNumberofPlaintiffsSpecifyingDamagesSought" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="trs_GoodwillImpairmentAssessmentAbstract" abstract="true" name="GoodwillImpairmentAssessmentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="trs_A10b51sharerepurchaseprogramMember" abstract="true" name="A10b51sharerepurchaseprogramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trs_RealignmentActionsAxis" abstract="true" name="RealignmentActionsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
</xs:schema>
