ASTM A729/A729M-2009 公共运输和电气铁路运输用热处理合金钢轴的标准规范

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【英文标准名称】:StandardSpecificationforAlloySteelAxles,Heat-Treated,forMassTransitandElectricRailwayService
【原文标准名称】:公共运输和电气铁路运输用热处理合金钢轴的标准规范
【标准号】:ASTMA729/A729M-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:A01.06
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:轴;道轨应用;钢铸件;电力系统.规范;电气化铁路;公共运输;铁路钢制材料.轴;钢轴;钢铸件.规范
【英文主题词】:axles;railapplications;steelforgings;Axles;Electricalpowersystems--specifications;Electricrailway;Masstransit;Railroadsteelmaterials--axles;Steelaxles;Steelforgings--specifications
【摘要】:1.1Thisspecificationcoversheat-treatedalloysteelaxlesformasstransitandcommutercarsinelectricandlocomotivehauledrailwayservice.1.2Thisspecificationisforsoliddesignrollerbearingaxleswithmachinedbodies.1.3Variousaxledesignsareusedforthisserviceincludingmotorandnon-motorwitheitherinboardoroutboardjournals.1.4SupplementaryrequirementsincludingthoseinthegeneralrequirementsofSpecificationA788/A788Mareprovidedforusewhenadditionaltestingorinspectionisdesired.Theseshallapplyonlywhenspecifiedindividuallybythepurchaserintheorder.1.5Unlesstheorderspecifiestheapplicablex201C;Mx201D;specificationdesignation,theaxlesshallbefurnishedtotheinch-poundunits.1.6ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:H52
【国际标准分类号】:45_040
【页数】:7P.;A4
【正文语种】: