ISO 14271-2017 Resistance welding - Vickers hardness testing （low-force and micr

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1、INTERNATIONALISOSTANDARD14271Thirdedition2017-08Resistancewelding—Vickershardnesstesting(low-forceandmicrohardness)ofresistancespot,projection,andseamweldsSoudageparrésistance—EssaisdeduretéVickerso(frceréduiteetmicrodureté)sursouduresparrésistanceparpoint

2、s,parbossagesetàlamoleteReferencenumberISO14271:2017(E)©ISO2017ISO14271:2017(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2017,PublishedinSwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymean

3、s,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCh.deBlandonnet8•CP401CH-121

4、4Vernier,Geneva,SwitzerlandTel.+41227490111Fax+41227490947copyright@iso.orgwww.iso.orgi©ISO2017–AllrightsreservedISO14271:2017(E)ContentsPageForeword.....iv1Scope.....12Normativereferences....13Termsanddefinitions....14Appliedforcesfortestingresistanceweld

5、s...25Testpiecesandtestinglocations....25.1Testpieces....25.2Testinglocations....26Testequipment....27Hardnesstestlocationsandprocedure...57.1Choiceoftest....57.2Positionsofhardnessindentations...57.3Testingprocedure....67.4Determinationofhardnessvalues...

6、68Testreport.....7Bibliography.....8©ISO2017–AlrightsreservediISO14271:2017(E)ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarr

7、iedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.I

8、SOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.Theproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribed