ASTM A668/A668M-2004(2009) 一般工业用碳素钢和合金钢锻件的标准规范
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【英文标准名称】:StandardSpecificationforSteelForgings,CarbonandAlloy,forGeneralIndustrialUse
【原文标准名称】:一般工业用碳素钢和合金钢锻件的标准规范
【标准号】:ASTMA668/A668M-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:
【英文主题词】:alloysteelforgings;carbonsteelforgings;generalindustrialapplications;heattreatmentclassifications;strengthclassifications;Alloysteelforgings--specifications;Carbonsteelforgings--specifications;Forgings--specifications;Industrialforgi
【摘要】:1.1Thisspecificationcoversuntreatedandheat-treatedcarbonandalloysteelforgingsforgeneralindustrialuse.OtherASTMspecificationsforforgingsareavailableforspecificapplicationssuchaspressurevessels,railroaduse,turbinegenerators,gearing,andothersinvolvingspecialtemperaturerequirements.1.2Hot-rolledorcoldfinishedbarsarenotwithinthescopeofthisspecification.1.3Sixclassesofcarbonsteelandsevenclassesofalloysteelforgingsarelisted(seeSection7),whichindicatestheirrequiredheattreatments,aswellasmechanicalproperties.1.4Provision,withthesuffixHforcertificationandmarking,forthesupplyofforgingsafterhardnesstestingonly.1.5Supplementaryrequirements,includingthoseinSpecificationA788/A788M,ofanoptionalnatureareprovided.Theseshallapplyonlywhenspecifiedbythepurchaser.1.6AppendixX1liststhecurrentclassescorrespondingtothevariousclassesofSpecificationsA235,A237,andA243,whichhavebeensupersededbythisspecification.1.7Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasthestandard;withinthetextandtables,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactlyequivalent;therefore;eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.8Unlesstheorderspecifiestheapplicable"M"specification,theforgingsshallbefurnishedtotheinch-poundunits
【中国标准分类号】:J32
【国际标准分类号】:77_140_85
【页数】:8P.;A4
【正文语种】:英语
【原文标准名称】:一般工业用碳素钢和合金钢锻件的标准规范
【标准号】:ASTMA668/A668M-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:
【英文主题词】:alloysteelforgings;carbonsteelforgings;generalindustrialapplications;heattreatmentclassifications;strengthclassifications;Alloysteelforgings--specifications;Carbonsteelforgings--specifications;Forgings--specifications;Industrialforgi
【摘要】:1.1Thisspecificationcoversuntreatedandheat-treatedcarbonandalloysteelforgingsforgeneralindustrialuse.OtherASTMspecificationsforforgingsareavailableforspecificapplicationssuchaspressurevessels,railroaduse,turbinegenerators,gearing,andothersinvolvingspecialtemperaturerequirements.1.2Hot-rolledorcoldfinishedbarsarenotwithinthescopeofthisspecification.1.3Sixclassesofcarbonsteelandsevenclassesofalloysteelforgingsarelisted(seeSection7),whichindicatestheirrequiredheattreatments,aswellasmechanicalproperties.1.4Provision,withthesuffixHforcertificationandmarking,forthesupplyofforgingsafterhardnesstestingonly.1.5Supplementaryrequirements,includingthoseinSpecificationA788/A788M,ofanoptionalnatureareprovided.Theseshallapplyonlywhenspecifiedbythepurchaser.1.6AppendixX1liststhecurrentclassescorrespondingtothevariousclassesofSpecificationsA235,A237,andA243,whichhavebeensupersededbythisspecification.1.7Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasthestandard;withinthetextandtables,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactlyequivalent;therefore;eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.8Unlesstheorderspecifiestheapplicable"M"specification,theforgingsshallbefurnishedtotheinch-poundunits
【中国标准分类号】:J32
【国际标准分类号】:77_140_85
【页数】:8P.;A4
【正文语种】:英语
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