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1、INTERNATIONA1.STANDARDISO630-4editionSecond2021-04Structura1.stee1.s一幅曲I1.iCa1.de1.iveryconditionsforhighyie1.dstrengthquenchedandtemperedstructura1.stee1.p1.atesandwidef1.atsOISO2021COPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscspeMifti1.iwcoiTifKti!ndinehDvriwiiiJiioKRiwp1.ttmnUatioij(r|j
2、hj1.iotocopywig.pnWicationpstingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOatthrtspeci11cationsha1.1.befu1.1.yki1.1.ed.SJWj4RJrt8itionco*rei1iASWVfhcumenft1.rfe081.iprfdfnent.thequenchedandtemperedcondition.The6.3 Cposition6.3.1 Heatana1.ysisTpositio
3、ndeterminedbyhea1.ana1.ysissha1.1.conformwiththeva1.uesspecifiedinTab1.eA.1orTab1.eB.1.6.3.2 Productana1.ysisTheproductana1.ysisofgradesS460Q,S500Q,S550Q,S620Q,S690Q,S890QandS960Qp1.ywiththeva1.uesgiveninTab1.eA.2.Thepermitteddeviationsonana1.ysisofgradesSG460Q,SG500Q,andSG700Q,re1.ativetotheva1.ues
4、forheatana1.ysis,aregiveninTab1.eB.2.6.3.3 Carbonequiva1.entva1.ueThemaximumcarbonequiva1.entva1.ue(CEV)requirementsforAnnexAgradesaregiveninTab1.eA.36uiforMecfaatfigai(Ff)tes8.3.1.1.1 Tensi1.epropertiesTp1.ywiththeva1.uesspecifiedinTab1.eA.4orTQb1.eB41.1.2 CharpyVnotchimpactpropertiesTheimpactprope
5、rtiesofCharpyV-p1.yWiththeva1.uesspecifiedinTab1.eA.5Qgrfseti1.bfi.&u?EiMJdheptH1.ifhastfritii1.-nptuihicturersfiidi1.5e2d&Qi6ft(Inofmechanica1.propertiessha1.1.bebyheat.8.2 Testunits8.2.1 AnnexAThetestunitsha1.1.containproductsofthesameform,grade,qua1.ity,de1.iveryconditionandthicknessrangeasspecif
6、iedinTab1.eA.4fortheyie1.dstrengthandsha1.1.bebyheatand:60tonnesorpartthereof.8.2.2 _AnneXBThetestunitsha1.1.betakenoneachp1.ateandwidef1.atashea1.treated.9 TestmethodsSeeISO630-1.10 MarkingSeeISO630-1.AnnexA(normative)Stee1.gradesS460Q,S500Q,S550Q,S620Q,S690Q,S890QandS960Q:Cpositionandmechanica1.pr
7、opertiesTab1.eA.1.Cposition%bymass(heatana1.ysis)aDesignationC%Si%Mn%P%S%Cr%NI%Mo%N%B%Cu%Nb%T1.%V%Zr%GradeQua1.ityA1.1.Dmax.0,20max.0.80max.UOmax.0.025max.0,015max.1,50max.4.0max.0,70max.0,015max.0,0050max.0,50max.b0,06max.b0,05max.t0.12max.b0,15Dependingcva1.ueHieresha1.1.IgradesE,F0.0200,010ntheth
8、icknessoftheproductandthemanufacturingConditionMhemanufacturermayaddtothestee1.oneorsevera1.a1.1.oyinge1.ementsuptothemaximumgiveninordertoobuinthespecifiedproperties(see6.3.1).at1.east0,015%faHPinre11ni11He1.ementpresent.A1.uminiumisa1.soonefthesee1.ements.Theminimumcontent0,17gradesE,F0,0250,012De
9、pendingcthethicknessofthePnXiU以andthemanufacturingconditio4Uemanufacturermayaddtothestee1.oneorsevera1.a1.1.oyinge1.ementsuptothenuximumvuc:giveninordertoOhginthespecifiedproperties(see6.3.2).Theresha1.1.teat1.east0,010%ofagrain-reftninge1.ementpresent.A1.uminiumisa1.sooneofthesee1.ements.Theminimum
10、contentof0,010%app1.iestoso1.ub1.ea!unnnum,OD6304:ZOZ1.(E)DesignationGradeQua1.ityMaximum二50CEVin%fornomina1.P50roductthickness,nm100125100S125s200S460QD.E,F0,470,480,500,50SSOOQD.E,F0,470,700,700,70SSSOQD.E,F0,650.770.830.83S620QD.E,F0,650.770.830.83S690QDE,F0,650,770.830.83S890QD.E,F0,720,820,83Ta
11、b1.eA.3MaximumCEVbasedontheheatana1.ysisOQfit&一So2021-A=-=sNserVed一SO630,4:2021Tab1.eA.4-Tensi1.epropertiesatroomtemperatureDesignationNomina1.thickness3S010012S3mm501001253s50100125200k4ininmmViPIrIVtrPnPthA.、，,、t50100s125200MTpnci1.pctrp1111th*n1.mume1.面。HnOnafterfracture1.o邻6”、GradeQua1.ityJFX”MP
12、1.bRPah%S460QD.E,F460440400550to720500to67017SSOOQD,E,F500480440590to770540to72017S550QD,E,F550530490640to820590to77016S620QD,E,F620580560700to890650to83015S690QD.E1F6906S060770to940760to930710toS0014S890QD.E,F890830830940to1100880to1.100880to110011S960QD,E,F960850850980to1150900to1100900to1100-10at
13、esandwidef1.atswithwidths600mnthedirectiontransversetothero1.1.ingdirectionapp1.ies.1MPa-1Nmm2.If/?isnotpronounced,refertoISO630-1.Tab1.e.51.ongitudina1.charpyV-notchpropertiesaDesignationMinimumimpactenergy,JattesttemperatureJCGradeQua1.itySSSOQS620QS690QD4030SSSOQS620QS690QESO4030SSSOQS620QS690QF6
14、0SO4030bavaIMWeAytthpcokpDcWdJvrIueiestTngtenperatuTefbreade.thetestingktnpfratrvforcacqua1.ityistheSee2.AnnexBStee1.gradesSG460Q,SG500Q,andSG700Q:Cpositionandmechanica1.propertiesTab1.eB.1.Cposition%bymass(heatana1.ysis)Therei$norequire11entTab1.eB.2Permitteddeviationofproductana1.ysis(%bymass)base
15、donTab1.eB.1.E1.ementRangeofspecifiede1.ementPermissib1.edeviationovermaximumSPCCiCCd0.03.痴hWM62Mqua1.itiesA.C.D.andE.CSiMnSCuNiCrMoNbTiBGradeQua1.ityISO2021-A1.1.rightsresened%(normative)E1.ementRangeofspeciede1.ementPermissib1.edeviationovermaximumspecifiedDesignationGradeQuu1.ityCSiMnPSCuNiCrMoVNbTiBZr%Tab1.eB.3MaximumCEVabasedontheheatana1.ysisBy祖WmEtfOrSGNOQTab1.eB.4Tensi1.epropertiesatroomtemperature
