【英文标准名称】:SpecificationforWeldedAusteniticSteelBoiler,Superheater,Heat-Exchanger,andCondenserTubes
【原文标准名称】:焊接奥氏体钢锅炉、过热器、热交换器和冷凝器管规范
【标准号】:ANSI/ASTMA249/A249M-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;管
【英文主题词】:steels;pipes
【摘要】:Thisspecificationcoversnominal-wall-thicknessweldedtubesmadefromtheausteniticsteelslistedin,withvariousgradesintendedforsuchuseasboiler,superheater,heatexchanger,orcondensertubes.GradesTP304H,TP309H,TP309HCb,TP310H,TP310HCb,TP316H,TP321H,TP347H,andTP348HaremodificationsofGradesTP304,TP309S,TP309Cb,TP310S,TP310Cb,TP316,TP321,TP347,andTP348,andareintendedforhigh-temperatureservicesuchasforsuperheatersandreheaters.Thetubingsizesandthicknessesusuallyfurnishedtothisspecificationare1/8in.[3.2mm]ininsidediameterto5in.[127mm]inoutsidediameterand0.015to0.320in.[0.4to8.1mm],inclusive,inwallthickness.Tubinghavingotherdimensionsmaybefurnished,providedsuchtubescomplywithallotherrequirementsofthisspecification.Mechanicalpropertyrequirementsdonotapplytotubingsmallerthan1/8in.[3.2mm]ininsidediameteror0.015in.[0.4mm]inthickness.Optionalsupplementaryrequirementsareprovidedand,whenoneormoreofthesearedesired,eachshallbesostatedintheorder.Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Theinch-poundunitsshallapplyunlessthe"M"designationofthisspecificationisspecifiedintheorder.ThefollowingsafetyhazardscaveatpertainsonlytothetestmethoddescribedintheSupplementaryRequirementsofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.AspecificwarningstatementisgiveninSupplementaryRequirementS7,NoteS7.1.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:
【正文语种】:英语