ASTM A358/A358M-2008a 高温设备和通用电熔焊奥氏体铬镍不锈钢管标准规范

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【英文标准名称】:StandardSpecificationforElectric-Fusion-WeldedAusteniticChromium-NickelStainlessSteelPipeforHigh-TemperatureServiceandGeneralApplications
【原文标准名称】:高温设备和通用电熔焊奥氏体铬镍不锈钢管标准规范
【标准号】:ASTMA358/A358M-2008a
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:A01.10
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:arcweldedsteelpipe;austeniticstainlesssteel;chromium-nickelsteel;fusionweldedsteelpipe;hightemperatureapplication;steelpipe;temperatureserviceapplications;high;weldedsteelpipe;Arc-weldedsteelpipe/tube;Austeniticstainles
【摘要】:1.1Thisspecificationcoverselectric-fusion-weldedausteniticchromium-nickelstainlesssteelpipesuitableforcorrosiveorhigh-temperatureservice,orboth,orforgeneralapplications.Note18212;ThedimensionlessdesignatorNPS(nominalpipesize)hasbeensubstitutedinthisstandardforsuchtraditionaltermsasx201C;nominaldiameter,x201D;x201C;size,x201D;andx201C;nominalsize.x201D;1.2ThisspecificationcoversthegradesofalloyandstainlesssteellistedinTable1.Theselectionofthepropergradeandrequirementsforheattreatmentshallbeatthediscretionofthepurchaser,dependentontheserviceconditionstobeencountered.1.3Fiveclassesofpipearecoveredasfollows:1.3.1Class18212;Pipeshallbedoubleweldedbyprocessesemployingfillermetalinallpassesandshallbecompletelyradiographed.1.3.2Class28212;Pipeshallbedoubleweldedbyprocessesemployingfillermetalinallpasses.Noradiographyisrequired.1.3.3Class38212;Pipeshallbesingleweldedbyprocessesemployingfillermetalinallpassesandshallbecompletelyradiographed.1.3.4Class48212;SameasClass3exceptthattheweldpassexposedtotheinsidepipesurfacemaybemadewithouttheadditionoffillermetal(see6.2.2.1and6.2.2.2).1.3.5Class58212;Pipeshallbedoubleweldedbyprocessesemployingfillermetalinallpassesandshallbespotradiographed.1.4Supplementaryrequirementscoveringprovisionsrangingfromadditionaltestingtoformalizedproceduresformanufacturingpracticeareprovided.SupplementaryRequirementsS1throughS6areincludedasoptionstobespecifiedwhendesired.1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Theinch-poundunitsshallapplyunlessthex201C;Mx201D;designationofthisspecificationisspecifiedintheorder.TABLE1PlateandFillerMetalSpecificationsGradeUNSDesig-nationMaterial,TypeASTMPlateSpecificationNo.andGradeFillerMetalClassificationandUNSDesignationAforApplicableBAWSSpecificationA5.4