ANSI/ASTM A814/A 814M-2001 冷加工焊接奥氏体不锈钢管规范

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【英文标准名称】:SpecificationforCold-WorkedWeldedAusteniticStainlessSteelPipe
【原文标准名称】:冷加工焊接奥氏体不锈钢管规范
【标准号】:ANSI/ASTMA814/A814M-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;奥氏体钢;管
【英文主题词】:steels;austeniticsteels;pipes
【摘要】:Thisspecificationcoverstwoclassesofflangedandcold-bendingqualitycold-workedstraight-seamsingleordoubleweldedausteniticsteelpipeintendedforhigh-temperatureandgeneralcorrosiveservices.Note1&8212;Whentheimpacttestcriterionforalow-temperatureservicewouldbe15ftú;bf[20J]energyabsorptionor15mils[0.38mm]lateralexpansion,someoftheausteniticstainlesssteelgradescoveredbythisspecificationareacceptedbycertainpressurevesselorpipingcodeswithoutthenecessityofmakingtheactualtest.Forexample,Grades304,304L,and347areacceptedbytheASMEPressureVesselCode,SectionVIIIDivision1,andbytheChemicalPlantandRefineryPipingCode,ANSIB31.3forserviceattemperaturesaslowas-425?F[-250?C]withoutqualificationbyimpacttests.OtherAISIstainlesssteelgradesareusuallyacceptedforservicetemperaturesaslowas-325?F[-200?C]withoutimpacttesting.Impacttestingmay,undercertaincircumstances,berequired.Forexample,materialswithchromiumornickelcontentoutsidetheAISIranges,andformaterialwithcarboncontentexceeding0.10%,arerequiredtobeimpacttestedundertherulesofASMESectionVIIIDivision1whenservicetemperaturesarelowerthan-50?F[-45?C].GradesTP304H,TP304N,TP316H,TP316N,TP321H,TP347H,andTP348HaremodificationsofGradesTP304,TP316,TP321,TP347,andTP348,andareintendedforhigh-temperatureservice.Twoclassesofpipearecoveredasfollows:ClassSW--Pipe,single-weldedwithnoadditionoffillermetalandClassDW--Pipe,double-weldedwithnoadditionoffillermetal.Optionalsupplementaryrequirementsareprovidedforpipewhereagreaterdegreeoftestingisdesired.Thesesupplementaryrequirementscallforadditionalteststobemadeand,whendesired,oneormoreofthesemaybespecifiedintheorder.Table1liststhedimensionsofcold-workedsingle-ordouble-weldedstainlesssteelpipe.Pipehavingotherdimensionsmaybefurnishedprovidedsuchpipecomplieswithallotherrequirementsofthisspecification.Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Theinch-poundunitsshallapplyunlessthe"M"designationofthisspecificationisspecifiedintheorder.
【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