【英文标准名称】:SpecificationforPowderForged(P/F)FerrousMaterials
【原文标准名称】:粉末锻造(P/F)钢铁材料规格
【标准号】:ASTMB848-2010
【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】:B09.11
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:powderforged(PF)parts;powderforged(PF)steels;powderforging(PF);Ferrousmetals/alloys;Powderforged(P/F)steels/parts;Structuralmetals/alloys--specifications
【摘要】:1.1Thisspecificationcoverspowderforgedferrousmaterialsfabricatedbyhotdensificationofatomizedprealloyedorironpowdersandintendedforuseasstructuralparts.1.2Thisspecificationcoverspowderforgedpartsmadefromthefollowingmaterials:1.2.1Compositions:1.2.1.1PF-10XXCarbonSteel(producedfromatomizedironpowderandgraphitepowder),1.2.1.2PF-10CXXCopper-CarbonSteel(producedfromatomizedironpowder,copperandgraphitepowders),1.2.1.3PF-11XXCarbonSteelwithmanganesesulfideforenhancedmachinability(producedfromatomizedironpowder,manganesesulfide,andgraphitepowders),1.2.1.4PF-11CXXCopper-CarbonSteelwithmanganesesulfideforenhancedmachinability(producedfromatomizedironpowder,copper,manganesesulfide,andgraphitepowders),1.2.1.5PF-42XXNickel-MolybdenumSteel(producedfromprealloyedatomizediron-nickel-molybdenumpowderandgraphitepowder),1.2.1.6PF-46XXNickel-MolybdenumSteel(producedfromprealloyedatomizediron-nickel-molybdenumpowderandgraphitepowder),1.2.1.7PF-44XXMolybdenumSteel(producedfromprealloyedatomizediron-molybdenumpowderandgraphitepowder),and1.2.1.8PF-49XXMolybdenumSteel(producedfromprealloyedatomizediron-molybdenumpowderandgraphitepowder).Note18212;AlloycompositiondesignationsaremodificationsoftheAISI-SAEnomenclature.Forexample:10CXXdesignatesaplaincarbonsteelcontainingcopperandXXamountofcarbon.CompositionallimitsofalloyandimpurityelementsmaybedifferentfromtheAISI-SAElimits.ChemicalcompositionlimitsarespecifiedinSection6.Note28212;XXdesignatestheforgedcarboncontent,inhundredthsofapercent,thatisspecifiedbythepurchaserfortheapplication.Foragivenspecifiedcarboncontent,thepermissiblelimitsshallbeasspecifiedin6.2.Note38212;TheoldacronymforpowderforgingP/FhasbeenreplacedbyPFthroughoutthedocument.Thechangeintheprefixforthematerialdesignationsisjusttomatchthecurrentlyapprovedacronymforpowderforging.Nochangehasbeenmadetothematerialspecificationandperformancecharacteristicsforthevariouspowderforgedmaterials.1.2.2Grades:1.2.2.1GradeA8212;Densityequivalenttoamaximumof0.5%porosity.TheminimumdensityofthosesectionsofthepowderforgedpartsodesignatedbytheapplicablepartdrawingshallnotbelessthanthevaluespecifiedinTable1.1.2.2.2GradeB8212;Densityequivalenttoamaximumof1.5%porosity.TheminimumdensityofthosesectionsofthepowderforgedpartsodesignatedbytheapplicablepartdrawingshallnotbelessthanthevaluespecifiedinTable1.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【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】:Hexagonweldnutswithflange
【原文标准名称】:法兰六角焊接螺母
【标准号】:BSENISO21670-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-11-05
【实施或试行日期】:2003-11-05
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:法兰;紧固件;螺母;标准螺纹;连接尺寸;螺纹;焊接螺母;验收规范;紧配合螺纹;强度等级;六角螺母;六角头紧固件;尺寸;材料;米制螺纹;焊接接头;ISO米制螺纹;机械性能;交货条件;特性;公差(测量)
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiescharacteristicsforhexagonweldnutswithflange,withsizesM5toM16(coarsethread)andM12toM16(finethread),ofproductgradeA.WeldnutsconformingtothisInternationalStandardaresuitableforusewithboltsofpropertyclassesupto10.9inaccordancewithISO898-1.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:14P;A4
【正文语种】:英语