GMW3399：2006多相钢和超高强度钢

WORLDWIDEENGINEERINGSTANDARDSMaterialSpecificationMetalsGMW3399MultiPhaseandUltraHighStrengthSheetSteel©Copyright2006GeneralMotorsCorporationAllRightsReservedApril2006OriginatingDepartment:NorthAmericanEngineeringStandardsPage1of141ScopeThisspecificationcoverstherequirementsforcontinuouscast,hotrolledorcoldrolledsheetsteelwithspecifiedtensilestrengthsfrom390MPathrough1500MPa.Typicalapplicationsincludebodypanels,bodystructuremembers,chassiscomponentsandbumpers.1.1MaterialDescription.Thespecificationappliestouncoatedandcoated,dualphase(ferrite+martensite)(DP),dualphasewithhighholeexpansion(ferrite+bainite)(FB),transformationinducedplasticity(ferrite+bainite+retainedaustenite)(TRIP,orTR),multi-phase(ferrite+martensite+bainite+precipitationhardening)(MP)ormartensitic(MS)materials.TheCR550gradehasbeenremovedfromGMW3032andisnowcoveredbythisspecificationasGMW3399M-ST-SCR690T/550YDP.Thesesteelsalsohaveaspecifiedminimumyieldstrength,buttheapplicationsinwhichthesesteelsareusedarenottypicallyyieldstrengthdependent,thereforethisisnotthemajorclassificationcriterion.Theseproductsshallbesuppliedascoilsorsheet.Hotrolledflatproductsareusuallysuppliedinthicknessesgreaterthan1.80mm.Coldrolledflatproductswiththeappropriatesurfacetypeandsurfacefinisharesuitablefortheapplicationofsurfacecoatings(metallichotdipping,electrolyticplating,hotspraypainting,organiccoatingsand/orothercoatings).Thisspecificationdoesnotapplytosteelforcasehardeningandcoldreduced,workhardenedstrips.Additionalrequirementsoragreementshavetobespecifiedbylocalbusinessunits.[e.g.,NorthAmerica(NA),Europe(E),LatinAmerica(LA),andAsiaPacific(AP)].1.2MaterialIdentification.TheGMWbasemetalspecificationnumberdefinesthematerialdesignation,steelproducttype,grade,andfinishtype.Thesteelproducttypeis“CR”forcoldrolledproducts,or“HR”forhotrolledproducts.Forexample,thegradedescription590T/340Ydesignatestheminimumtensilestrength/minimumyieldstrengthinmegapascals(MPa).Adesignationofsteeltype(i.e.DP,TR,FB,MPorMS)shallbeadded.ThesteelgradeswillcorrespondtothechemicalandmechanicalrequirementsasshowninTables1through8.Thefinishtype,analphacharacter,willdesignatethefinishasE(exposed),Z(semi-exposed)orU(unexposed).Theabovedescriptiveitemsareusedtogethertoformthecodingsystem.Examplesofthecodingsystemforengineeringpartdrawingsandmanufacturingengineeringdocumentsareshowninparagraph8.1.2.1MaterialIdentification.DuelPhase(DP)GMWORLDWIDENORTHAMERICAEUROPELATINAMERICAASIAPACIFIC1.2.2MaterialIdentification.TransformationInducedPlasticitySteels(TR)GMWORLDWIDENORTHAMERICAEUROPELATINAMERICAASIAPACIFIC1.2.3MaterialIdentification.MartensiticSteels(MS)GMWORLDWIDENORTHAMERICAEUROPELATINAMERICAASIAPACIFICGM6123MCopyrightGMWorldwideProvidedbyIHSunderlicensewithGMWLicensee=VisteonCorp/5962532002NotforResale,07/13/200701:09:15MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,`,,,``,,,,`,`,,,,,`,`,``,`-`-`,,`,,`,`,,`---GMW3399GMWORLDWIDEENGINEERINGSTANDARDS©Copyright2006GeneralMotorsCorporationAllRightsReservedPage2of14April20061.2.4MaterialIdentification.Multi-phaseSteels(MP)GMWORLDWIDENORTHAMERICAEUROPELATINAMERICAASIAPACIFIC1.3Symbols.Notapplicable.1.4TypicalApplications.Typicalapplicationsaresheetmetalpartsconsistingofcoatedanduncoatedhighstrengthsheetsteelwithspecifiedminimumtensilestrengthsfrom450MPathrough1500MPa.2ReferencesNote:Onlythelatestapprovedstandardsareapplicableunlessotherwisespecified.2.1ExternalStandards/Specifications.AS1391JFSA1001ASTMA751JISB0610ASTME45JISB0651ASTME112JISZ2201ISO6892QS9000ISO10275ISOTC164ISO11014-12.2GMStandards/Specifications.9984001GMW8B0401270GMW11B0401271GMW3011EMS.9310015GMW3059EMS.ME.1508GMW3224GM6123MGMW3335GM6180MHN1623GM9769PHN1643GME8689HN1673GME00007OPEL1052.3AdditionalReferences.IronandSteelSocietySteelProductsManual-SheetSteelEN10049EuropeanProcedurefortestingsurfaceroughnessofsheetmetalAgreementtoEN10048betweenVDAandWalzstahl-Vereinigung(CommitteeofGermanSteelMills).MaterialIdentification.MartensiticSteels(MS),NorthAmericaGM6123M.3RequirementsThefollowingsectiondefinesspecificrequirementsformaterialondelivery,processing,performanceandotherstagesduringlifecycle.DeviationsrequiredforindividualGMbusinessunitsarelistedinAppendixA.GradesunderdevelopmentareshowninAppendixB.3.1RequirementsonDelivery.3.1.1ChemicalRequirements.3.1.1.1BaseMetal.Basemetalcompositionbasedonproduct(ladle,coilorsheet/blanks)analysisdeterminedperASTMA751shallconformtothegeneralrequirementsofTable1andthegradespecificrequirementsinTable2(ifapplicable)and/orshallbeagreeduponbetweensupplierandpurchaser.AdditionaldemandsandrestrictionsmaybeimposedbylocalMaterialsEngineeringorganizationsdependingontheapplication.3.1.1.2SurfaceTreatment.Productsmustbecoatedwithadesignatedlubricantapprovedbythelocalbusinessunit.SeeAppendixA.3.1.2MechanicalRequirements.ThesteelproductsshallmeetthemechanicalpropertiesasspecifiedinTables3-10.The0.2%OffsetYieldStrength,TensileStrengthandPercentTotalElongationshallbedeterminedinthelongitudinaldirectionperGMW3335.TestsshallbeperformedusingsamplesperISO