【英文标准名称】:StandardSpecificationforHotIsostatically-PressedStainlessSteelFlanges,Fittings,Valves,andPartsforHighTemperatureService
【原文标准名称】:高温下使用的热等静加压成形的不锈钢法兰盘,管配件,阀及零件的标准规格
【标准号】:ASTMA988/A988M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:A01.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:时效硬化不锈钢;奥氏体不锈钢;气体雾化粉末
【英文主题词】:age-hardeningstainlesssteel;austeniticstainlesssteels;gas-atomizedpowder
【摘要】:1.1Thisspecificationcovershotisostatically-pressed,powdermetallurgy,stainlesssteelpipingcomponentsforuseinpressuresystems.Includedareflanges,fittings,valves,andsimilarpartsmadetospecifieddimensionsortodimensionalstandards,suchasinASMEspecificationB16.5.1.2Severalgradesofmartensitic,austenitic,agehardening,andaustenitic-ferriticstainlesssteelsareincludedinthisspecification.1.3Supplementaryrequirementsareprovidedforusewhenadditionaltestingorinspectionisdesired.Theseshallapplyonlywhenspecifiedindividuallybythepurchaserintheorder.1.4Thisspecificationisexpressedinbothinch-poundunitsandinSIunits.Unlesstheorderspecifiestheapplicablex201C;Mx201D;specificationdesignation(SIunits),however,thematerialshallbefurnishedtoinch-poundunits.1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasthestandard.Withinthetext,theSIunitsareshowninparentheses.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thefollowingsafetyhazardscaveatpertainsonlytotestmethodsportions8.1,8.2,9.5-9.7,andSection10ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:49_025_10
【页数】:11P.;A4
【正文语种】: