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  <xs:element id="kmt_ForeignPensionAndPostretirementBenefitPlansDefinedBenefitMember" abstract="false" name="ForeignPensionAndPostretirementBenefitPlansDefinedBenefitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_DiscountrateAbstract" abstract="true" name="DiscountrateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kmt_RatesOfFutureSalaryIncreasesAbstract" abstract="true" name="RatesOfFutureSalaryIncreasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kmt_ValueFundsMember" abstract="false" name="ValueFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_OtherFixedIncomeSecuritiesMember" abstract="false" name="OtherFixedIncomeSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_OtherInvestmentMember" abstract="false" name="OtherInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_ForwardStartingInterestRateSwapContractsMember" abstract="true" name="ForwardStartingInterestRateSwapContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_AccumulatedOtherComprehensiveLossIncomeAccumulatedOtherComprehensiveLossIncomeIncomeTaxAllocatedtoEachComponentofOtherComprehensiveIncomeAbstract" abstract="true" name="AccumulatedOtherComprehensiveLossIncomeAccumulatedOtherComprehensiveLossIncomeIncomeTaxAllocatedtoEachComponentofOtherComprehensiveIncomeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kmt_FY25RestructuringActionsMember" abstract="true" name="FY25RestructuringActionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_RestructuringRelatedCharges" abstract="false" name="RestructuringRelatedCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kmt_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag" abstract="false" name="RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kmt_RestrictedStockUnitsTimeVestingMember" abstract="true" name="RestrictedStockUnitsTimeVestingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_ShareBasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentOtherthanOptionsExpirationsInPeriodWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentOtherthanOptionsExpirationsInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="kmt_StockBasedCompensationTextualAbstract" abstract="true" name="StockBasedCompensationTextualAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kmt_EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag" abstract="false" name="EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kmt_MachiningCloudInc.CaseMember" abstract="true" name="MachiningCloudInc.CaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_SalesToASingleCustomerDidNotAggregateMoreThan" abstract="false" name="SalesToASingleCustomerDidNotAggregateMoreThan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kmt_TotalKMTMember" abstract="true" name="TotalKMTMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_OtherGeographicalSegmentMember" abstract="false" name="OtherGeographicalSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_SalesfromOthercountrydidnotexceed" abstract="false" name="SalesfromOthercountrydidnotexceed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kmt_SegmentReportingSalesbyEndMarketAbstract" abstract="true" name="SegmentReportingSalesbyEndMarketAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kmt_GeneralEngineeringMember" abstract="true" name="GeneralEngineeringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_TransportationMember" abstract="true" name="TransportationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_AerospaceanddefenseMember" abstract="true" name="AerospaceanddefenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_EnergyMember" abstract="true" name="EnergyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_EarthworksMember" abstract="true" name="EarthworksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kmt_Revenuespercent" abstract="false" name="Revenuespercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kmt_ValuationAndQualifyingAccountsAndReservesTextualAbstract" abstract="true" name="ValuationAndQualifyingAccountsAndReservesTextualAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
