ISO 00630-4-2021.docx

INTERNATIONA1.STANDARDISO630-4editionSecond2021-04Structura1.stee1.s一幅曲I1.iCa1.de1.iveryconditionsforhighyie1.dstrengthquenchedandtemperedstructura1.stee1.p1.atesandwidef1.atsOISO2021COPYRIGHTPROTECTEDDOCUMENT©ISO2021岫rkdea/山thUcdOthcnviscspeMifti1.iwcoiTifKti!ndinehDvriwii«iJiioKRiwp1.ttmnUatioij(r|jhj<1.ufe|>1.iotocopywig.pnWicationp<>stingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOatth<fNd(IreSSbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11帆禅igjWft.orgPub1.ishedinSwitzerhndContentsordivScope1Normativereferences1Termsanddefinitions1C1.assificationanddesignation24.1 C1.assi!.-24.2 Designation(gradesandqua1.ities)2OInformationtobesupp1.iedbythepurchaserS.1.Mandatoryinformation22A5.22OReauirements6.1Stee1.makingprocess36.2De1.iverycondition36.3ica,M-6.3.2Productana1.vsis336.3.3Carbonequiva1.entva1.ue.36.4Mechania1.properties6.4.1 Tensi1.e6.4.2 CharpyVnotchimpactproperties336.5Surfacecondition78InspectionSamp1.ing-Frequencyoftesting8.1 Verification48.2 Testunits.二1.*estmethods4Marking4Annex(normative)Stee1.gradesS460Q,S500QrS550Q,S620Q,S690QfS890QandS960Q:Cpositionandmechanica1.properties5AnnexB(normative)Stee1.gradesSG460Q,SG500Q,andSG700Q:Cpositionandmechanica1.properties12Bib1.iography14ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsthiiugh(ISOmdrmt11rtnhvcekHPfff1.Pbrjf1.gbOdy1.nmCI!。弧di6tandjGf(nowharred¾Mmitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare瓶轩映也搬of1.SOIECdWM1.如。慨丽f1.勉*盘幅世版榔娜邦e/cordanceVMtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(secwww.iso.org/dircc1.ives).然歌ionrightsd般掂出1n施腻Mf瞰nsi曲?趣吸Kf婀般眈doc映棉翻斯刚hsubjectofanypatentrightsidentifiedduringthedeve1.opmentofthedocumentwi1.1.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationonthevo1.untarynatureofstandards,themeaningofISOspecifictermsandUR1.：www.iso.org/iso/foreword.htm1.tMf1.AQgfUfiftf1.YttespreparedbyTechnica1.CommitteeISO/TC17,Stee1.s,SubcommitteeSC3,Stee1.sforThissecondeditioncance1.sandrep1.acesthefirstedition(ISO630-4:2012),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditionareasfo1.1.ows:modificationofthetit1.etointegratewidef1.ats;-integrationofwidef1.atsinthetext;-app1.icab1.ethicknessrangeshavebeenaddedinthescope；extensionOfaPP1.iCabIethicknessesforS890QandS960Q;additionofqua1.ityFforgradeS960Q;attiftAfKW1fy14ncesdefi1.Sft(PcAhcerningheattreatmentshavebeende1.etedbecauseISO4885is1.istofoptionshasbeenupdatedasparthasbeenintegratedinISO630-1：theformu1.aforCEVhasbeende1.etedbecausegiveninISO630-1;testunitshavebeenupdated；inTab1.es,thedesignationconcerningthicknesshavebeenchangedinto"nomina1.thickness”；orderof1.istingchemica1.e1.ementshasbeenupdatedforgradesofAnnexAinaccordancewithISO6306;thecontentofthedocumenthasbeenupdatedtoharmonizewitha1.1.partsofISO630.A1.istofa1.1.partsintheISO630seriescanbefoundontheISOwebsite.)inJedih!iffq4eht1.)s1.mdiesthiscahdrfcun1.ntshouWww11ftrnembeuirts3.rationa1.standardsbody.AStructura1.stee1.s一Technica1.de1.iveryconditionsforhighyie1.dstrengthquenchedandtemperedstructura1.stee1.p1.atesandwidef1.ats1 Scopetemperedconditionandnorma1.1.yintendedforonreversingbo1.tedstructures,usedtnthequenchedandandgradesareavai1.ab1.einqua1.ities,GradesSG460Q,qua1.itieshaveSG700QV-notchrequirements.B.NotthicknessS690Q,amaximummaximumthicknessthicknessmm200gradesgradesS46OQ,S500Q,maximumInternationa1.Standards：inc1.udethefo1.1.owingStjuctura1.stee1.s,someofwhicharecoveredbyotherNOTE11.istsofstandardscoveredbyISO/TC17/SC12andISO/TC5/SC1areavai1.ab1.eontheISOwebsite.2 Normativereferencesconstitutesrequirements1.atesteditiondocument.referencedreferences,(inc1.udingamendmcnts)app1.ies.app1.ics.3 Termsanddefinitionsnatthefo1.1.owingISOandIECmaintaintermino1.ogica1.databasesforUSeinStandardiZatiOaddresses:IECE1.ectropec1.ia:avai1.ab1.eabhKHWwWPedin."gPart4:Thisdocumentspecifiesqua1.itiesforhigh-yie1.d-strengthquenchedandtemperedstructura1.st