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1NationalStandardofthePeoplesRepublicofChinaGB/T36392009ReplaceGB/T36392000ColddrawnorcoldrolledprecisionseamlesssteeltubesIssuedate2009.10.30Implementationdate2010.05.01IssuedbyGeneralAdministrationofQualitySupervision,InspectionandQuarantineofthePeoplesRepublicofChinaIssuedbyStandardizationAdministrationofthePeoplesRepublicofChina.2ForewordThisnationalstandardismodifiedinrelationtoEN1030512002SteeltubesforprecisionapplicationsTechnicaldeliveryconditionspart1SeamlesscolddrawntubesEnglishversion.ThisstandardwasredraftedbyEN1030512002,alistisgiveninannexAaboutthechapterandsectionnumbercomparedwithEN1030512002.ThisstandardmadesomechangestheadoptionofEN1030512002.Thetechnicaldifferenceshavebeenincorporatedinthebodyandinvolveditemsaresignedwithsinglelineinmargin.AlistisgivenforreferenceinannexBaboutthesetechnicaldifferencesandcauses.Foreasytouse,thisstandardhasmadethefollowingeditorialchangesforEN1030512002.athisstandardreplacetheEuropeanstandardbThedecimalpoint.replace,cRemovedtheforewordofEN1030512002,increasingthisstandardforeword.ThisstandardreplacesGB/T36392000.ComparedwithGB/T36392000,themainchangesareasfollowsmodifiedtheclassificationandcodenameincreasedordercontentmodifiedbendingsteelremovedtheexampleofmarkincreasedthebrandofthesteelmodifiedthesmeltingprocessofthesteelremovedthemanufacturingmethodsofthetubeblankmodifiedthemechanicalpropertyofthetubeblankincreasedtheflatteningtestincreasedDriftexpandingtestincreasedmagneticfluxleakagetestingincreasedannexA,annexB,annexC,annexD.AnnexA,B,C,Dofthisstandardareinformativeannexes.ThisstandardisproposedbytheChinaIronandSteelAssociation.ThisstandardisstandardizedbytheNationalSteelTechnicalCommittee.ResponsiblefordraftingthestandardunitBaoshanIronSteelCo.,Ltd...UnitparticipatedinthedraftingofthisstandardJiangSuFengliPrecisionTubeCo.,Ltd.,JiangyinJiedaShapedTubeCo.,Ltd.MaindraftersofthisstandardYuqingLuo,YaofeiZhang,CailingLiu,YuemingWu,JianliangXue,WeichiChen.ThisstandardreplacedthepreviouslyissuedstandardisGB/T36391983,GB/T36392000.3Colddrawnorcoldrolledprecisionseamlesssteeltubes1ScopeThisstandardspecifiesclassification,codename,dimension,shape,weight,permissibletolerances,technicalrequirement,testmethod,testrules,packaging,markingandqualitycertificateofColddrawnorcoldrolledprecisionseamlesssteeltubes.Thisstandardisapplicabletomanufacturingmechanicalstructure,2NormativeReferencesThefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisstandard.Fordatedreference,subsequentamendmentsto,orrevisionsof,anyofthesepublicationsdonotapply.However,partieshavingreachedanagreementbasedoncitedstandardswithadateareencouragedtostudywhetherthelatestversionsoftheciteddocumentswithadateareapplicable.Forundatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.GB/T222PermissibleTolerancesforChemicalCompositionofSteelProductsGB/T223.5SteelandironDeterminationofacidsolublesiliconandtotalsiliconcontent–ReducedmolybdosilicatespectrophotometricmethodGB/T223.52008,ISO482911986,ISO482921988,MODGB/T223.12Methodsforchemicalanalysisofiron,steelandalloyThesodiumcarbonateseparationdiphenylcarbazidephotometricmethodforthedeterminationofchromiumcontentGB/T223.23Methodsforchemicalanalysisofiron,steelandalloythedimethylglyoximespectrophotometricmethodforthedeterminationofnickelcontentGB/T223.26steelandalloy,determinationofmolybdenumcontent,thiocyanatespectrophotometric.GB/T223.53Methodsforchemicalanalysisofiron,steelandalloytheflameatomicabsorptionspectrophotometricmethodforthedeterminationofcoppercontentGB/T223.59Methodsforchemicalanalysisofiron,steelandalloythereducedmolybdoantimonylphosphoricacidphotometricmethodforthedeterminationofphosphoruscontentGB/T223.63Methodsforchemicalanalysisofiron,steelandalloyThesodiumpotassiumperiodatephotometricmethodforthedeterminationofmanganesecontentGB/T223.68Methodsforchemicalanalysisofiron,steelandalloythepotassiumiodatetitrationmethodaftercombustioninthepipefurnaceforthedeterminationofsulfurcontentGB/T223.69Methodsforchemicalanalysisofiron,steelandalloyThegasvolumetricmethodaftercombustioninthepipefurnaceforthedeterminationofcarboncontentGB/T228MetallicmaterialsTensiletestingatambienttemperatureGB/T2282002,ISO68921998,EQVGB/T242MetallicmaterialsTubeDriftexpandingtestGB/T2422007,ISO84931998,IDTGB/T246MetalmaterialsTubeFlatteningtestGB/T2462007,ISO84921998,IDTGB/T699CarbonconstructionalqualitysteelGB/T1031SurfaceroughnessparametersandtheirvaluesGB/T1591HighstrengthlowalloystructuralsteelsGB/T2102Acceptancepackingmarkingandqualitycertificationofsteelpipe4GB/T4336StandardtestmethodforsparkdischargeatomicemissionspectrometricanalysisofcarbonandlowAlloysteelroutinemethodGB/T77352204SteeltubesTheinspectionmethodoneddycurrenttestGB/T77352004,ISO93041989,MODGB/T12606SteeltubesThetestingmethodofmagneticfluxleakageGB/T126061999,eqvISO94021989,ISO95981989GB/T17395Seamlesssteeltubediamonsion,shape,permissibletolerancesofheavyweightGB/T137952008,ISO11271992,ISO42001991ISO52521991,NEQGB/T20066SteelandIronSamplingandpreparationofsamplesforthedeterminationofchemicalcompositionGB/T200662006,ISO142841996,IDT3Classification,CodenameThesteeltubesofthestandardaredividedintofivecategoriesaccordingtodeliverystatus.TheclassificationandcodenameisaColdworking/HardconditionCbColdworking/SoftconditionLCcStressrelievingannealedconditionSRdAnnealedconditionAeNormalizedconditionN.4ordercontentThefollowinginformationshallbesuppliedbythepurchaseratthetimeofenquiryandorderaThestandardnumberbTheproductnamecThetrademarkofthesteeldThedimensionseThequantitymassortotallengthornumberfThedeliveryconditiongManufacturingmethodshSpecialrequirements.5Dimension,Shape,Weight,Permissibletolerances5.1Dimension5.1.1Thedimensionofthesteeltubesshouldmeetwiththespecifyoftable1.
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