ASTM A351/A351M-2010 压力容器部件用奥氏体铸件标准规范

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【英文标准名称】:StandardSpecificationforCastings,Austenitic,forPressure-ContainingParts
【原文标准名称】:压力容器部件用奥氏体铸件标准规范
【标准号】:ASTMA351/A351M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:A01.18
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:奥氏体不锈钢;压力容器部件;不锈钢;钢铸件;奥氏体不锈钢铸件规范;奥氏体钢;分类符号(金属/合金用);铁素体钢铸件规范;法兰/配件/阀门/部件规范;高温作业设备.钢铸件;钢制接头规范;钢法兰规范;钢阀门规范
【英文主题词】:austeniticstainlesssteel;pressurecontainingparts;stainlesssteel;steelcastings;Austeniticstainlesssteelcastings--specifications;Austeniticsteel;Classcodes(formetals/alloys);Ferriticsteelcastings--specifications;Flanges/fittings/valv
【摘要】:1.1Thisspecificationcoversausteniticsteelcastingsforvalves,flanges,fittings,andotherpressure-containingparts(Note1).Note18212;Carbonsteelcastingsforpressure-containingpartsarecoveredbySpecificationA216/A216M,low-alloysteelcastingsbySpecificationA217/A217M,andduplexstainlesssteelcastingsbySpecificationA995/A995M.1.2Anumberofgradesofausteniticsteelcastingsareincludedinthisspecification.Sincethesegradespossessvaryingdegreesofsuitabilityforserviceathightemperaturesorincorrosiveenvironments,itistheresponsibilityofthepurchasertodeterminewhichgradeshallbefurnished.Selectionwilldependondesignandserviceconditions,mechanicalproperties,andhigh-temperatureorcorrosion-resistantcharacteristics,orboth.1.2.1Becauseofthermalinstability,GradesCE20N,CF3A,CF3MA,andCF8Aarenotrecommendedforserviceattemperaturesabove800x00B0;F[425x00B0;C].1.2.2Becauseofembrittlementphases,GradeCD4MCuisnotrecommendedforserviceattemperaturesabove600x00B0;F[316x00B0;C].1.3Supplementaryrequirementsofanoptionalnatureareprovidedforuseattheoptionofthepurchaser.TheSupplementaryrequirementsshallapplyonlywhenspecifiedindividuallybythepurchaserinthepurchaseorderorcontract.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4.1Thisspecificationisexpressedinbothinch-poundunitsandinSIunits;however,unlessthepurchaseorderorcontractspecifiestheapplicableMspecificationdesignation(SIunits),theinch-poundunitsshallapply.Withinthetext,theSIunitsareshowninbracketsorparentheses.
【中国标准分类号】:H40
【国际标准分类号】:77_140_80
【页数】:5P.;A4
【正文语种】: