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【英文标准名称】:StandardSpecificationforHardenedSteelWashers[Metric]
【原文标准名称】:淬火钢垫圈标准规范［米制单位］
【标准号】:ASTMF436M-2010
【标准状态】:现行
【国别】:美国
【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】:F16.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:carbonsteel;metric;steel;washers;weatheringsteel;Fasteners(metal)--specifications;Hardenedsteelwashers;Steelwashers;Washers/washerassemblies--specifications
【摘要】:1.1Thisspecificationcoversthechemical,mechanical,anddimensionalrequirementsformetrichardenedsteelwashersforusewithfastenershavingnominalthreaddiametersM12throughM100.Thesewashersareintendedforgeneral-purposemechanicalandstructuralusewithbolts,nuts,studs,andotherinternallyandexternallythreadedfasteners.ThesewashersaresuitableforusewithfastenerscoveredinSpecificationsA325M,A490M,A563MandwithfastenersofSpecificationF568Mpropertyclasses8.8andhigher.1.2Thetypesofwasherscoveredinthisspecificationare:1.2.1Type18212;Washersmadeofcarbonsteel.1.2.2Type38212;WashersmadeofsteelhavingatmosphericcorrosionresistanceandweatheringcharacteristicscomparabletothatofsteelscoveredinSpecificationsA242/A242M,A588/A588M,andA709/A709M.Theatmosphericcorrosionresistanceofthesesteelsissubstantiallybetterthanthatofcarbonsteelwithorwithoutcopperaddition.See5.1.Whenproperlyexposedtotheatmosphere,thesesteelscanbeusedbare(uncoated)formanyapplications.1.2.3ThisspecificationprovidesforfurnishingType3tochemicalcompositionoraCorrosionResistanceIndex(CRI)of6orhigheratthesuppliersoption.1.3Thestylesofwasherscoveredinthisspecificationare:1.3.1CircularWashers8212;Circularwashersinnominalsizes12mmthrough100mm,aresuitableforapplicationswheresufficientspaceexistsandangularitypermits.1.3.2BeveledWashers8212;Beveledwashersaresquareandrectangular,innominalsizes12mmthrough36mm,withabeveled1:6surfaceforusewithAmericanStandardbeamsandchannels.1.3.3ClippedWashers8212;Clippedwashersarecircularorbeveledforusewherespacelimitationsnecessitatethatonesidebeclipped.1.4TermsusedinthisspecificationaredefinedinTerminologyF1789unlessotherwisedefinedherein.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Note18212;ThisspecificationisthemetriccounterpartofSpecificationF436.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J13
【国际标准分类号】:21_060_30
【页数】:5P.;A4
【正文语种】:英语