ASTM A232/A232M-2005 阀门用优质铬钒合金钢弹簧丝标准规范

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【英文标准名称】:StandardSpecificationforChromium-VanadiumAlloySteelValveSpringQualityWire
【原文标准名称】:阀门用优质铬钒合金钢弹簧丝标准规范
【标准号】:ASTMA232/A232M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:A01.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:alloy;chromium-vanadium;valvespring;wire
【摘要】:1.1Thisspecificationcoversthehighestqualityofroundchromium-vanadiumalloysteelvalvespringwire,uniforminqualityandtemper,intendedforthemanufactureofvalvespringsandotherspringsrequiringhigh-fatiguepropertieswhenusedatmoderatelyelevatedtemperatures.Thiswireshallbeeitherintheannealedandcold-drawnoroil-temperedconditionasspecifiedbythepurchaser.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentoftheother.
【中国标准分类号】:H49
【国际标准分类号】:77_140_25
【页数】:4P.;A4
【正文语种】:英语