GB 6479-2000 化肥用高压无缝钢管 英文版

中华人民共和国国家标准中华人民共和国国家标准中华人民共和国国家标准中华人民共和国国家标准NationalStandardofthePeople’sRepublicofChinaGB6479-2000neqISO9329-2：：：：1997SupersedesGB6479-1986高压化肥设备用无缝钢管高压化肥设备用无缝钢管高压化肥设备用无缝钢管高压化肥设备用无缝钢管Seamlesssteeltubesforhigh-pressureForchemicalfertilizerequipmentsApprovedbytheStateBureauofTechnicalSupervisionon2000–10-25Implementedfrom2001–09–01本英文版为内部资料，仅供参考，以中文版为准。TheChineseversionofstandardshasprecedencetotheirEnglishtranslationswhichareonlyforinternalreference.—1—GB6479–2000ForewordThisStandardisnotequivalenttoadoptISO9329–2:1997SeamlessSteelTubesforPressureVessels----DeliverySpecifications----Part2:CarbonSteelandAlloySteelofSpecifiedHighTemperaturePerformance.Thecriteriaofallowabledeviationforsize,degreeofbend,press-flatdeformationcoefficientforsteeltubesinthisStandardaremorestrictthaninternationalcriteriawhilethecriteriaofphysicalperformanceisequivalenttointernationalones.ThisStandard,comparedwithoriginaledition,hasmaderevisiontofollowingprovisions:1．Thecriteriaofallowabledeviationforsizearerevised.OriginalTable1isdeleted.ThespecificationforthesizeischangedtorefertoTable1ofGB/T17395–1998.2．Thebrandnumberof12SiMoVNbisadded.Phosphorousandsulfurcontentindifferentbrandnumbersofsteelisrevised.3．Supplementationismadetothedeliverystatusofsteeltubes.4．Theprovisionofusingleakingmagnetictestingtoreplacehydraulictestisaddedwhiletheprovisionofusingultrasonictestingtoreplacehydraulictestisdeleted.5．Thestipulationsofmakingpress-flattesttosteeltubeswithOD400mmisdeleted.6．Therequirementsforlow-foldinspectionforsteeltubesrolledofsteelingotisaddedaswellastherequirementsforinspectionofnon-metalinclusioninsteeltubesrolledofcontinuouscastblankandsteelingot.7．Definitestipulationsaremadefortheclassofultrasonictesting.Fromthedateofimplementation,thisStandardshallsupercedeGB6479–1986SeamlessSteelTubesforChemicalFertilizerEquipment.ThisStandardisputforthbytheStateBureauofMetallurgicalIndustry.ThisStandardisunderjurisdictionoftheNationalTechnicalCommitteeforStandardizationofSteelformanagement.ThisStandardispreparedby:theAnshanSteelGroupCompanyandtheChengduSeamlessSteelTubeCo.Ltd.KeypersonsforpreparationofthisStandardarePuZhiming,DongChangfu,WuKeping,XuYongmeiandFengWenhuaThisStandardisissuedinJune1986forthefirsttime.—2—中华人民共和国国家标准中华人民共和国国家标准中华人民共和国国家标准中华人民共和国国家标准NationalStandardofthePeople’sRepublicofChinaGB6479-2000neqISO9329-2：：：：1997SupersedesGB6479-1986高压化肥设备用无缝钢管高压化肥设备用无缝钢管高压化肥设备用无缝钢管高压化肥设备用无缝钢管Seamlesssteeltubesforhigh-pressureforchemicalfertilizerequipments————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————1．．．．ScopeThisStandardspecifiessize,profile,weight,technicalrequirements,testmethod,inspectionrules,packing,marksandqualitycertificateofseamlesssteeltubesforhigh-pressurechemicalfertilizerequipment.ThisStandardappliestoseamlesssteeltubesofbestqualitycarbonsteel,lowalloysteelandstainlesssteelforhigh-pressurechemicalfertilizerequipmentandpipingaswellasforotherchemicalequipment.2.CitedStandardsProvisionsinfollowingstandards,referredbythisStandard,haveconstitutedprovisionsofthisStandard.AtpublishingofthisStandard,thereferrededitionsarestillinforce.Anystandardmayberevised.AnyuserofthisStandardshallstudythepossibilityofusingtheneweditionoffollowingstandards.GB/T222–1984MethodforSamplingtheTestSampleforChemicalAnalysisofSteelandAllowableDeviationforChemicalCompositionofFinalProductsGB/T223.5–1997MethodforChemicalAnalysisofSteelandAlloyMeasuringAcidSolvableSiliconContentwithPhotometryofReductionTypeSiliconMolybdateGB/T223.11–1991MethodforChemicalAnalysisofSteelandAlloyMeasuringChromiumContentwithMethodofAmmoniumSupersulfateOxidationCapacityGB/T223.14-1989MethodforChemicalAnalysisofSteelandAlloyMeasuringVanadiumContentwithPhotometryofTantalumTestAgentExtractionGB/T223.19-1989MethodforChemicalAnalysisofSteelandAlloyMeasuringCopperContentwithPhotometryofneocuproine-trichloromethaneExtractionGB/T223.23-1994MethodforChemicalAnalysisofSteelandAlloyMeasuringNickelContentwithSpectrumPhotometryofdiacetyldioximeGB/T223.26-1989MethodforChemicalAnalysisofSteelandAlloyMeasuringMolybdenumContentwithDirectPhotometryofthiocyanate—3—GB/T223.40-1985MethodforChemicalAnalysisofSteelandAlloyMeasuringNiobiumContentwithPhotometryofIonExchangingandSeparation–chlorosulfophenolS.GB/T223.43–1994MethodforChemicalAnalysisofSteelandAlloyMeasuringTungstenContentGB/T223.58-1987MethodforChemicalAnalysisofSteelandAlloyMeasuringManganeseContentwithMethodofTitrationofsodiumarsenite-sodiumnitriteG/TB223.59-1987MethodforChemicalAnalysisofSteelandAlloyMeasuringPhosphorousContentwithPhotometryofantimonophosphoromolybdo-blueGB/T223.68–1997MethodforChemicalAnalysisofSteelandAlloyMeasuringSulfurContentwithMethodofTitrationofpotassiumiodateafterBurntinTubeTypeFurnaceGB/T223.69-1997MethodforChemicalAnalysisofSteelandAlloyMeasuringCarbonContentwithMethodofGasCapacityafterBurntinTubeTypeFurnaceGB/T226–1991MethodforInspectionofLow-foldOrganizationandAcidSoakDefectsofSteelG