ASTM A 788/A 788M-2008 钢锻件的标准规范.一般要求

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【英文标准名称】:StandardSpecificationforSteelForgings,GeneralRequirements
【原文标准名称】:钢锻件的标准规范.一般要求
【标准号】:ASTMA788/A788M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-05-01
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thisspecification2coversagroupofcommonrequirementsthat,unlessotherwisespecifiedintheindividualproductspecification,shallapplytosteelforgingsunderanyofthefollowingspecificationsissuedbyASTM:ASTMDesignationTitleA266/A266MCarbonSteelForgingsforPressureVesselComponentsA288CarbonandAlloySteelForgingsforMagneticRetainingRingsforTurbineGeneratorsA289/A289MAlloySteelForgingsforNonmagneticRetainingRingsforGeneratorsA290/A290MCarbonandAlloySteelForgingsforRingsforReductionGearsA291/A291MSteelForgings,CarbonandAlloy,forPinions,Gears,andShaftsforReductionGearsA336/A336MAlloySteelForgingsforPressureandHigh-TemperaturePartsA372/A372MCarbonandAlloySteelForgingsforThin-WalledPressureVesselsA427WroughtAlloySteelRollsforColdandHotReductionA469/A469MVacuum-TreatedSteelForgingsforGeneratorRotorsA470/A470MVacuum-TreatedCarbonandAlloySteelForgingsforTurbineRotorsandShaftsA471Vacuum-TreatedAlloySteelForgingsforTurbineRotorDisksandWheelsA508/A508MQuenchedandTemperedVacuum-TreatedCarbonandAlloySteelForgingsforPressureVesselsA521Steel,Closed-ImpressionDieForgingsforGeneralIndustrialUseA541/A541MQuenchedandTemperedCarbonandAlloySteelForgingsforPressureVesselComponentsA579/A579MSuperstrengthAlloySteelForgingsA592/A592MHigh-StrengthQuenchedandTemperedLow-AlloySteelForgedFittingsandPartsforPressureVesselsA649/A649MForgedSteelRollsUsedforCorrugatingPaperMachineryA668/A668MSteelForgings,CarbonandAlloy,forGeneralIndustrialUseA723/A723MAlloySteelForgingsforHigh-StrengthPressureComponentApplicationA765/A765MCarbonSteelandLow-AlloySteelPressure-Vessel-ComponentForgingswithMandatoryToughnessRequirementsA768/A768MVacuum-Treated12%ChromiumAlloySteelForgingsforTurbineRotorsandShaftsA837/A837MSteelForgings,Alloy,forCarburizingApplications1.2Incaseofconflictinrequirements,therequirementsoftheindividualproductspecificationsshallprevailoverthoseofthisspecification.1.3Thepurchasermayspecifyadditionalrequirements(see4.2.3)thatdonotnegateanyoftheprovisionsofeitherthisspecificationoroftheindividualproductspecifications.Theacceptanceofanysuchadditionalrequirementsshallbedependentonnegotiationswiththesupplierandmustbeincludedintheorder.1.4If,byagreement,forgingsaretobesuppliedinapartiallycompletedcondition,thatis,alloftheprovisionsoftheproductspecificationhavenotbeenfilled,thenthematerialmarking(seeSection17)andcertification(seeSection16)shallreflecttheextenttowhichtheproductspecificationrequirementshavebeenmet.1.5AsnotedintheCertificationSection(16),thenumberandyeardateofthisspecification,aswellasthatoftheproductspecification,arerequiredtobeincludedintheproductcertification.1.6WhentheSIversionofaproductspecificationisrequiredbythepurchaseorder,SpecificationA788/A788Mshallbeused.1.7ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:
【页数】:12P;A4
【正文语种】:英语