GBT 14976-2012 English Version

ICS77.140.75H48NationalStandardofthePeople’sRepublicofChinaGB/T14976-2012SubstitutionofGB/T14976-2002SeamlessStainlessSteelPipesforFluidTransportIssuedonMay11th,2012ExecutedonFeb.1st,2013-9-23IssuedbyGeneralAdministrationofQualitySupervision,InspectionandQuarantineofthePeople’sRepublicofChinaandStandardizationAdministrationofthePeople’sRepublicofChinaGB/T14976-2012ForewordThisstandardisdraftupinaccordancewithrulesofGB/T1.1-2009.ThisstandardisformulatedbyreferencetoASTMA269/A269M-04SeamlessandWeldedStainlessAusteniteSteelPipeforGeneralPurpose,ASTMA312/A312M-05aSeamless,WeldedandDeepColdProcessingAusteniteStainlessSteelPipeandASTMA268/A268M-05aSeamlessandWeldedFerriteandMartensiteStainlessSteelPipeforGeneralPurpose.ThisstandardsubstitutesGB/T14976-2002SeamlessStainlessSteelPipesforFluidTransport.ComparingwithGB/T14976-2002,thisstandardisrevisedasfollows:-Addeddeliverymethodbasedonminimumwallthickness;-Modifiedallowabledimensionaldeviationofpipes;-Deletedsignsexample;-GradeandchemicalcompositionofsteelischangedinlinewithGB/T20878;-Steelgradeofand12Cr13areadded;-Deletedbipolarsteelgradeandrelativecontent;-Modifiedrequirementsonhydraulictestofpipes;-AddedinformativeAppendixAComparisonTableofGradeThisstandardisproposedbyChinaIronAssociation.ThisstandardiscentralizedbyChinaSteelStandardizationTechnicalCommittee(SAC/TC183).Draftingunitofthisstandard:JiangsuWujinStainlessSteelPipeGroupCo.,Ltd.PanggangGroupChengduIron&SteelCo.,Ltd.,ShanxiTaigangStainlessSteelPipeCo.,Ltd.,ShanghaiShangshangStainlessSteelPipeCo.,Ltd.,YongxingSpecialStainlessSteelCo.,Ltd.andChinaMetallurgicalInformationStandardizationInstitute.Majordrafterofthisstandardis:SongJianxin,ZhouZhibin,YanRu,LiQi,JiXuewen,YangHui,WangJianyong,ChenZeminandDongli.Successiveversionsofthestandardsubstitutedbythisstandardareasfollows:-GB/T14976-1994;-GB/T14976-2002.GB/T14976-2012SeamlessStainlessSteelPipesforFluidTransport1.ScopeThisstandardspecifiescategory,symbol,ordercontent,dimension,shape,weight,technicalrequirements,testmethod,inspectionrules,packing,signsandqualitycertificateofseamlessstainlesssteelpipesforfluidtransport.Thisstandardisapplicableforseamlessstainlesssteelpipes(hereinafterreferredtoassteelpipe)forfluidtransport.2.NormativeReferenceThefollowingfilesarenecessaryforapplicationofthisfile.Forallquotedfilesnotedwithdate,onlyversionsofnoteddateareapplicableforthisfile.Forallquotedfileswithoutnoteddate,theirlatestversionsshallbeappropriatetothisfile.GB/T222PermissibledeviationsforchemicalcompositionofsteelproductsGB/T223.9Iron,steelandalloy–Determinationofaluminumcontent-ChromeazurolSphotometricmethodGB/T223.11Iron,steelandalloy–Determinationofchromiumcontent-VisualtitrationorpotentiometrictitrationmethodGB/T223.16Methodsforchemicalanalysisofiron,steelandalloy-ThechromotropicacidphotometricmethodforthedeterminationoftitaniumcontentGB/T223.18Methodsforchemicalanalysisofiron,steelandalloy-ThesodiumthiosulfateseparationiodimetricmethodforthedeterminationofcoppercontentGB/T223.25Methodsforchemicalanalysisofiron,steelandalloy-ThedimethylglyoximegravimetricmethodforthedeterminationofnickelcontentGB/T223.28Methodsforchemicalanalysisofiron,steelandalloy-TheD-denzoinoximegravimetricmethodforthedeterminationofmolybdenumcontentGB/T223.36Methodsforchemicalanalysisofiron,steelandalloy-TheneutraltitrationmethodforthedeterminationofnitrogencontentafterdistillationseparationGB/T223.40Iron,steelandalloy-Detetminationofniobiumcontent-ThesulphochlorophenolSspectrophotometricmethodGB/T223.60Methodsforchemicalanalysisofiron,steelandalloy-TheperchloricaciddehydrationgravimetricmethodforthedeterminationofsiliconcontentGB/T223.62Methodsforchemicalanalysisofiron,steelandalloy-ThebutylacetateextractionphotometricmethodforthedeterminationofphosphoruscontentGB/T223.63Methodsforchemicalanalysisofiron,steelandalloy-Thesodium(potassium)periodatephotometricmethodforthedeterminationofmanganesecontentGB/T223.68Methodsforchemicalanalysisofiron,steelandalloy-ThepotassiumiodatetitrationmethodaftercombustioninthepipefurnaceforthedeterminationofsulfurcontentGB/T223.69Iron,steelandalloy-Determinationofcarboncontents-Gas-volumetricmethodaftercombustioninthepipefurnaceGB/T228.1Metallicmaterials-Tensiletesting-Part1:MethodoftestatroomtemperatureGB/T241Metalmaterials–Tube-HydrostaticpressuretestGB/T242Metalmaterials–Tube-Drift-expendingtestGB/T246Metalmaterials–Tube-FlatteningtestGB/T2012Acceptance,packing,symbolsandqualitycertificateofpipesGB/T2975SteelandsteelproductsLocationandpreparationoftestpiecesformechanicaltestingGB/T4334-2008Corrosionofmetalsandalloys-TestmethodsforintergranularcorrosionofstainlesssteelsGB/T5777-2008SeamlesssteelpipeandtubingmethodsforultrasonictestingGB/T7735-2004Steeltubes-TheinspectionmethodoneddycurrenttestGB/T11170Stainlesssteel-Determinationofmulti-elementcontents-Sparkdischargeatomicemissionspectrometricmethod(routinemethod)GB/T17395Dimensions,shapes,massesanddeviationsofseamlesssteeltubesGB/T20066Steelandiron-Samplingandpreparationofsamplesforthedeterminationofc