ASTM A220/A220M-1999(2009) 珠光体韧性铁标准规范

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【英文标准名称】:StandardSpecificationforPearliticMalleableIron
【原文标准名称】:珠光体韧性铁标准规范
【标准号】:ASTMA220/A220M-1999(2009)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:A04.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:铸塑
【英文主题词】:casting;malleableiron;mechanicalproperties;pearlitic;tensilestrength;tensiontest;yieldstrength;Malleableironcastings--specifications;Mechanicalproperties;Pearliticmalleableironcastings;Tensileproperties/testing--metallicmaterials
【摘要】:1.1Thisspecificationcoverspearliticmalleableironcastingsforgeneralengineeringusageattemperaturesfromnormalambienttoapproximately750x00B0;F[400x00B0;C].1.1.1Forcontinuousserviceattemperaturesupto1200x00B0;F[650x00B0;C]designfactorsshouldbeincorporatedtocompensateforpossiblepropertychanges,asdemonstratedbyMarshallandSommerandbyPearson.1.2Withoutknowledgeofcastinggeometryandprocessdetails,noquantitativerelationshipcanbestatedbetweenthepropertiesoftheironinthevariouslocationsofacastingandthoseofatestbarcastfromthesameiron.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:
【国际标准分类号】:77_140_80
【页数】:5P.;A4
【正文语种】: