ASTM A638/A638M-2010 高温用沉积硬化铁基超耐热不锈钢棒材、锻件及锻坯标准规范

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【英文标准名称】:StandardSpecificationforPrecipitationHardeningIronBaseSuperalloyBars,Forgings,andForgingStockforHigh-TemperatureService
【原文标准名称】:高温用沉积硬化铁基超耐热不锈钢棒材、锻件及锻坯标准规范
【标准号】:ASTMA638/A638M-2010
【标准状态】:现行
【国别】:
【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】:A01.17
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:沉淀硬化超耐热合金钢;超耐热合金钢棒材;超耐热合金钢钢坯;超耐热合金钢锻件;温度服务应用&x2014;高;铸件规范;铁合金规范;铁基超耐热不锈钢铸件;沉淀硬化金属/合金规范;钢棒材/铸件/锻坯规范;超耐热不锈钢规范
【英文主题词】:precipitationhardeningsuperalloysteel;superalloysteelbars;superalloysteelbillets;superalloysteelforgings;temperatureserviceapplications&x2014;high;Forgings--specifications;Ironalloys--specifications;Iron-
【摘要】:1.1Thisspecificationcovershot-finishedorcold-finishedprecipitationhardeningironbasesuperalloybars,forgings,andforgingstockforhigh-temperatureservice.Themechanicalpropertiesofthesealloysaredevelopedbysuitablesolutiontreatingandprecipitationhardeningtreatments.1.2Twogradesofironbasealloyarecovered.Selectionwilldependupondesign,serviceconditions,mechanicalproperties,andelevatedtemperaturecharacteristics.1.3Thevaluesstatedineitherinch-poundunitsorSI(metric)unitsaretoberegardedseparatelyasstandards;withinthetextandtables,theSIunitsareshownin[brackets].Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.4Unlesstheorderspecifiesanx201C;Mx201D;designation,thematerialshallbefurnishedtoinch-poundunits.
【中国标准分类号】:H40
【国际标准分类号】:77_140_60;77_140_85
【页数】:3P.;A4
【正文语种】: