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【英文标准名称】:StandardSpecificationforWeldedLargeDiameterAusteniticSteelPipeforCorrosiveorHigh-TemperatureService
【原文标准名称】:腐蚀或高温下使用的焊接大口径奥氏体钢管的标准规范
【标准号】:ASTMA409/A409M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-04
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:奥氏体钢;腐蚀;高温;管;钢
【英文主题词】:Austeniticsteels;Corrosion;Hightemperatures;Pipes;Steels
【摘要】:?1.1Thisspecificationcoversstraightseamorspiralseamelectric-fusion-welded,light-wall,austeniticchromium-nickelalloysteelpipeforcorrosiveorhigh-temperatureservice.ThesizescoveredareNPS14to30withextralight(Schedule5S)andlight(Schedule10S)wallthicknesses.TableX1.1showsthewallthicknessofSchedule5Sand10Spipe.Pipehavingotherdimensionsmaybefurnishedprovidedsuchpipecomplieswithallotherrequirementsofthisspecification.1.2SeveralgradesofalloysteelarecoveredasindicatedinTable1.1.3Optionalsupplementaryrequirementsareprovided.Thesecallforadditionalteststobemade,andwhendesiredshallbestatedintheorder,togetherwiththenumberofsuchtestsrequired.1.4Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Theinch-poundunitsshallapplyunlessthe“M"designationofthisspecificationisspecifiedintheorder.NOTE1—ThedimensionlessdesignatorNPS(nominalpipesize)hasbeensubstitutedinthisstandardforsuchtraditionaltermsasnominaldiameter,size,andnominalsize.
【中国标准分类号】:
【国际标准分类号】:23_040_10
【页数】:6P;A4
【正文语种】:英语