【英文标准名称】:StandardSpecificationforStainlessandAlloy-SteelTurbine-TypeBoltingSpeciallyHeatTreatedforHigh-TemperatureService
【原文标准名称】:高温设备用不锈钢和合金钢制经过特殊热处理的涡轮型螺栓组件的标准规范
【标准号】:ASTMA437/A437M-2010a
【标准状态】:现行
【国别】:美国
【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】:A01.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:boltssteel;chromiumalloysteel;fastenerssteel;markingonfasteners;nutssteel;stainlesssteel;steelbarsalloy;steelboltingmaterial;temperatureserviceapplicationshigh;
【摘要】:1.1Thisspecificationcoversstainlessandalloy-steelboltingspeciallyheattreatedforhigh-temperatureservice,suchassteamturbine,gasturbine,andsimilaruses.SeeSpecificationforthedefinitionofbolting.Thismaterialrequiresspecialprocessingandshouldnotbeusedingeneral-purposeapplications.Boltingfurnishedasbarsshallbehotwroughtandmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.1.2Thehigh-temperaturepropertiesoftheboltingcoveredbythisspecificationaredependentuponspecialheattreatment,whichisrequired.Althoughthehigh-temperaturepropertiesarenotspecified,theyareimpliedbycontrolofthechemistry,heattreatment,androom-temperaturepropertiesofthematerial.1.3Threelevelsofboltingstrengtharecovered,designatedGradesB4B,B4C,andB4D.1.4Thefollowingreferencedgeneralrequirementsareindispensableforapplicationofthisspecification:Specification.1.5Supplementaryrequirementsareprovidedforuseattheoptionofthepurchaser.Thesupplementaryrequirementsshallapplyonlywhenspecifiedindividuallybythepurchaserinthepurchaseorderorcontract.1.6Thisspecificationisexpressedinbothinch-poundunitsandinSIunits;however,unlessthepurchaseorderorcontractspecifiestheapplicableMspecificationdesignation(SIunits),theinch-poundunitsshallapply.1.7ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:J13
【国际标准分类号】:21_060_01
【页数】:3P.;A4
【正文语种】:英语