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GB912-Hot-rolled sheets and strips of carbon参考文件.pdf

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GB912-Hot-rolled sheets and strips of carbon参考文件.pdf

1ICS77.140.50H46NationalStandardofthePeoplesRepublicofChinaGB912XXXXGB/T9121989isannulledHotrolledsheetsandstripsofcarbonstructuralsteelsandhighstrengthlowalloystructuralsteelsISO49952001E,ISO49961999E,NEQDraftforapprovalIssueDate200X–XX–XXImplementationDate200X–XX–XXIssuedbytheGeneralAdministrationofQualitySupervision,InspectionandQuarantineofthePeoplesRepublicofChinaStandardisationAdministrationofthePeoplesRepublicofChinaSAC2GB912XXXXForewordThisStandardcontainsmandatoryprovisionssections5.1.2,5.4.1,5.4.3,and8.2aremandatoryarticles.TheconsistencyofthisStandardwithISO49952000E,HotrolledsteelsheetofstructuralqualityEnglishversionandISO49961999E,HotrolledsteelsheetofhighyieldstressstructuralqualityEnglishversionisnonequivalent.StandardGB/T9121989,HotrolledplaincarbonandlowalloystructuralsteelsheetsandstripsisannulledfromthedateofimplementationofthisStandard.IncomparisonwithGB/T9121989,themainchangestothisStandardare−theStandardhasbeenmodifiedfrombeingarecommendatorystandardtoamandatoryprovisionsstandard−relevantcontentsregardingrolledsteelsheetintheoriginalstandardhavebeencancelled−theproductthicknessrangehasbeenrevised−thecontentofthegoodsorderhasbeenadded−thegoodsdeliverystatehasbeenchanged−therequirementsforappearancequalityhavebeenmodified.ThisstandardisproposedbytheChinaIronandSteelAssociation.ThisstandardisunderthejurisdictionoftheNationalTechnicalCommitteeforStandardisationofIronandSteel.ThemainorganisationsthatparticipatedinthedraftingofthisstandardareGuangdongEntryExitInspectionandQuarantineBureauChinaMetallurgicalInformationStandardisationInstituteBenxiIronSteelGroupCo.,Ltd.MaindraftersofthisstandardLiChengMing,PengXiaoGang,WangXiaoHu,ZhangZhenKun,ZhouQi,ZhangXianFeng,LiuJianBin,CaoBiao,PeiYu.Thisstandardwasfirstissuedin1989.3GB912XXXXHotrolledsheetsandstripsofcarbonstructuralsteelsandhighstrengthlowalloystructuralsteels1ScopeThisstandardsetstherequirementsforthetestingmethods,inspectionrules,packaging,marking,dimensions,appearance,weight,technicalrequirements,permissibletolerance,contentofordersandqualitycertificatesofhotrolledsheetsandstripsofcarbonstructuralsteelsandhighstrengthlowalloystructuralsteels.Thisstandardappliestohotrolledsheetsandstripsofcarbonstructuralsteelsandhighstrengthlowalloystructuralsteelswithathicknessoflessthan3mm.2NormativeReferencesTheprovisionsofthefollowingdocumentsbecomeprovisionsofthisStandardafterbeingreferenced.Fordatedreferencedocuments,alllateramendmentsexcludingcorrigendumandversionsdonotapplytothisStandardhowever,thepartiestotheagreementareencouragedtostudywhetherthelatestversionsofthesedocumentsareapplicable.Forundatedreferencedocuments,thelatestversionsapply.GB/T222PermissibletolerancesforthechemicalcompositionofsteelproductsGB/T223.3Methodsforchemicalanalysisofiron,steelandalloyThediantipyrylmethanephosphomolybdategravimetricmethodforthedeterminationofphosphoruscontentGB/T223.5Methodsforchemicalanalysisofiron,steelandalloyThereducedmolybdosilicatespectrophotometricmethodforthedeterminationofacidsolublesiliconcontentGB/T223.10Methodsforchemicalanalysisofiron,steelandalloyThecupferronseparationchromeazurolSphotometricmethodforthedeterminationofaluminiumcontentGB/T223.11Methodsforchemicalanalysisofiron,steelandalloyTheammoniumpersulphateoxidationvolumetricmethodforthedeterminationofchromiumcontentGB/T223.14Methodsforchemicalanalysisofiron,steelandalloyTheNbenzoyNphenylhydroxylamineextractionphotometricmethodforthedeterminationofvanadiumcontentGB/T223.17MethodsforchemicalanalysisofironsteelandalloyThediantipyrylmethanephotometricmethodforthedeterminationoftitaniumcontentGB/T223.18Methodsforchemicalanalysisofiron,steelandalloyThesodiumthiosulphateseparationiodimetricmethodforthedeterminationofcoppercontentGB/T223.19MethodsforchemicalanalysisofironsteelandalloyTheneocuproinechloroformextractionphotometricmethodforthedeterminationofcoppercontent4GB/T223.23Methodsforchemicalanalysisofiron,steelandalloyThedimethylglyoximespectrophotometricmethodforthedeterminationofnickelcontentGB/T223.24Methodsforchemicalanalysisofiron,steelandalloyTheextractionseparationThedimethylglyoximespectrophotometricmethodforthedeterminationofnickelcontentGB/T223.32Methodsforchemicalanalysisofiron,steelandalloyThehypophosphitereductioniodimetricmethodforthedeterminationofarseniccontentGB/T223.37MethodsforchemicalanalysisofironsteelandalloyTheindophenalbluephotometricmethodforthedeterminationofnitrogencontentafterdistillationseparationGB/T223.40IronsteelandalloyDeterminationofniobiumcontentbythesulphochlorophenolSspectrophotometricmethodGB/T223.58Methodsforchemicalanalysisofiron,steelandalloyThesodiumarsenitesodiumnitritetitrimetricmethodforthedeterminationofmanganesecontentGB/T223.59Methodsforchemicalanalysisofiron,steelandalloyThereducedmolybdoantimonylphosphoricacidphotometricmethodforthedeterminationofphosphoruscontentGB/T223.60Methodsforchemicalanalysisofiron,steelandalloyTheperchloricaciddehydrationgravimetricmethodforthedeterminationofsiliconcontentGB/T223.63Methodsforchemicalanalysisofiron,steelandalloyThesodiumpotassiumperiodatephotometricmethodforthedeterminationofmanganesecontentGB/T223.64Methodsforchemicalanalysisofiron,steelandalloyTheflameatomicabsorptionspectrometricmethodforthedeterminationofmanganesecontentGB/T223.68Methodsforchemicalanalysisofiron,steelandalloyThepotassiumiodatetitrationmethodaftercombustioninthepipefurnaceforthedeterminationofsulphurcontentGB/T223.71Methodsforchemicalanalysisofiron,steelandalloyThegravimetricmethodaftercombustioninthepipefurnaceforthedeterminationofcarboncontentGB/T223.72Methodsforchemicalanalysisofiron,steelandalloyThealuminachromatographicseparationbariumsulphategravimetricmethodforthedeterminationofsulphurcontentGB/T228MetallicmaterialsTensiletestingatambienttemperatureGB/T232MetallicmaterialsBendtestGB/T247Generalrulesofacceptance,packaging,markingandcertificationforsteelplatessheetsandstripsGB/T700CarbonstructuralsteelsGB/T709Dimension,shape,weightandtolerancesforhotrolledsteelplatesandsheets

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