【英文标准名称】:SpecificationforPowderForged(P/F)FerrousMaterials
【原文标准名称】:粉末锻造(P/F)有色材料规范
【标准号】:ASTMB848-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:B09.11
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:合金;黑色金属;零件;粉末冶金;钢
【英文主题词】:powderforged(P/F)parts;powderforged(P/F)steels;powderforging(P/F)
【摘要】:1.1Thisspecificationcoverspowderforgedferrousmaterialsfabricatedbyhotdensificationofatomizedprealloyedorironpowdersandintendedforuseasstructuralparts.1.2Thisspecificationcoverspowderforgedpartsmadefromthefollowingmaterials:1.2.1CompositionsP/F-10XXCarbonSteel(producedfromatomizedironpowderandgraphitepowder),P/F-10CXXCopper-CarbonSteel(producedfromatomizedironpowder,copperandgraphitepowders),P/F-11XXCarbonSteelwithmanganesesulfideforenhancedmachinability(producedfromatomizedironpowder,manganesesulfide,andgraphitepowders),P/F-11CXXCopper-CarbonSteelwithmanganesesulfideforenhancedmachinability(producedfromatomizedironpowder,copper,manganesesulfide,andgraphitepowders),P/F-42XXNickel-MolybdenumSteel(producedfromprealloyedatomizediron-nickel-molybdenumpowderandgraphitepowder),P/F-46XXNickel-MolybdenumSteel(producedfromprealloyedatomizediron-nickel-molybdenumpowderandgraphitepowder),P/F-44XXMolybdenumSteel(producedfromprealloyedatomizediron-molybdenumpowderandgraphitepowder),andP/F-49XXMolybdenumSteel(producedfromprealloyedatomizediron-molybdenumpowderandgraphitepowder).Note1AlloycompositiondesignationsaremodificationsoftheAISI-SAEnomenclature.Forexample:10CXXdesignatesaplaincarbonsteelcontainingcopperandXXamountofcarbon.CompositionallimitsofalloyandimpurityelementsmaybedifferentfromtheAISI-SAElimits.ChemicalcompositionlimitsarespecifiedinSection.Note2XXdesignatestheforgedcarboncontent,inhundredthsofapercent,thatisspecifiedbythepurchaserfortheapplication.Foragivenspecifiedcarboncontent,thepermissiblelimitsshallbeasspecifiedin.1.2.2GradesGradeADensityequivalenttoamaximumof0.5%porosity.Theminimumdensityofthosesectionsofthepowderforgedpartsodesignatedbytheapplicablepartdrawingshallnotbelessthanthevaluespecifiedin.GradeBDensityequivalenttoamaximumof1.5%porosity.Theminimumdensityofthosesectionsofthepowderforgedpartsodesignatedbytheapplicablepartdrawingshallnotbelessthanthevaluespecifiedin.1.3Propertyvaluesstatedininch-poundunitsarethestandard.ConversionfactorstoSIunitsmaybeapproximate.
【中国标准分类号】:H72
【国际标准分类号】:77_160
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Aerospaceseries.Rowings.Measurementoftheequitensionofthebasestrands.
【原文标准名称】:航空航天系列.扑翼机.底板绞线的等拉伸力的测量
【标准号】:NFL17-780-1992
【标准状态】:现行
【国别】:法国
【发布日期】:1992-04-01
【实施或试行日期】:1992-04-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:V22
【国际标准分类号】:49_025_60
【页数】:8P;A4
【正文语种】:其他