ASTM A989/A989M-2007 高温设备用热等静压压制的合金钢法兰、配件、阀门和部件的标准规范

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【英文标准名称】:StandardSpecificationforHotIsostatically-PressedAlloySteelFlanges,Fittings,Valves,andPartsforHighTemperatureService
【原文标准名称】:高温设备用热等静压压制的合金钢法兰、配件、阀门和部件的标准规范
【标准号】:ASTMA989/A989M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:
【英文主题词】:alloysteel;chromium-alloysteel;chromium-molybdenumsteel;gas-atomizedpowder;hotisostatically-pressedalloysteelparts;pipingapplications;pipefittings,steel;pressurecontainingparts;steelflanges;steelvalves;temperatureserviceapplicat
【摘要】:1.1Thisspecificationcovershotisostatically-pressed,powdermetallurgy,alloysteelpipingcomponentsforuseinpressuresystems.Includedareflanges,fittings,valves,andsimilarpartsmadetospecifieddimensionsortodimensionalstandards,suchasinASMESpecificationB16.5.1.2Severalgradesofalloysteelsareincludedinthisspecification.1.3Supplementaryrequirementsareprovidedforusewhenadditionaltestingorinspectionisdesired.Theseshallapplyonlywhenspecifiedindividuallybythepurchaserintheorder.1.4Thisspecificationisexpressedinbothinch-poundunitsandinSIunits.Unlesstheorderspecifiestheapplicable"M"specificationdesignation(SIunits),however,thematerialshallbefurnishedtoinch-poundunits.1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasthestandard.Withinthetext,theSIunitsareshowninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Thefollowingsafetyhazardscaveatpertainsonlytotestmethodsportions,8.1,8.2,and9.5-9.7ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J10
【国际标准分类号】:49_025_10
【页数】:8P.;A4
【正文语种】:英语