ASTM F436-2007a 硬化钢垫圈的标准规范
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时间:2024-05-19 07:47:11
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【英文标准名称】:StandardSpecificationforHardenedSteelWashers
【原文标准名称】:硬化钢垫圈的标准规范
【标准号】:ASTMF436-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:紧固件;硬化的;规范(验收);钢;垫圈
【英文主题词】:carbonsteel;steel;washers;weatheringsteel;Fasteners(metal)specifications;Hardenedsteelwashers;Steelwashers;Washers/washerassembliesspecifications
【摘要】:1.1Thisspecificationcoversthechemical,mechanical,anddimensionalrequirementsforhardenedsteelwashersforusewithfastenershavingnominalthreaddiametersofx00BC;through4in.Thesewashersareintendedforgeneral-purposemechanicalandstructuralusewithbolts,nuts,studs,andotherinternallyandexternallythreadedfasteners.ThesewashersaresuitableforusewithfastenerscoveredinSpecificationsA325,A354,A449,andA490.1.2Thewashersaredesignatedbytypedenotingthematerialandbystyledenotingtheshape.1.2.1Thetypesofwasherscoveredare:1.2.1.1Type18212;Carbonsteel.1.2.1.2Type38212;Weatheringsteel.AtmosphericcorrosionresistanceandweatheringcharacteristicsarecomparabletothatofsteelscoveredinSpecificationsA588/A588MandA709/A709M.Theatmosphericcorrosionresistanceofthesesteelsissubstantiallybetterthanthatofcarbonsteelwithorwithoutcopperaddition.See5.1.Whenproperlyexposedtotheatmosphere,thesesteelscanbeusedbare(uncoated)formanyapplications.1.2.2Thestylesofwasherscoveredare:1.2.2.1Circular8212;Circularwashersinnominalboltsizesx00BC;through4in.suitableforapplicationswheresufficientspaceexistsandangularitypermits.1.2.2.2Beveled8212;Beveledwashersaresquareorrectangular,innominalsizesx00BD;through1x00BD;in.,withabeveled1to6ratiosurfaceforusewithAmericanstandardbeamsandchannels.1.2.2.3Clipped8212;Clippedwashersarecircularorbeveledforusewherespacelimitationsnecessitatethatonesidebeclipped.Note18212;AcompletemetriccompaniontoSpecificationF436hasbeendevelopedx2014;SpecificationF436M;thereforenometricequivalentsarepresentedinthisspecification.1.2.2.4ExtraThick8212;Extrathickwashersarecircularwashersinnominalsizesx00BD;through1x00BD;in.,withanominalthicknessof5/16in.suitableforstructuralapplicationswithoversizedholes.1.3TermsusedinthisspecificationaredefinedinTerminologyF1789unlessotherwisedefinedherein.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:硬化钢垫圈的标准规范
【标准号】:ASTMF436-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:紧固件;硬化的;规范(验收);钢;垫圈
【英文主题词】:carbonsteel;steel;washers;weatheringsteel;Fasteners(metal)specifications;Hardenedsteelwashers;Steelwashers;Washers/washerassembliesspecifications
【摘要】:1.1Thisspecificationcoversthechemical,mechanical,anddimensionalrequirementsforhardenedsteelwashersforusewithfastenershavingnominalthreaddiametersofx00BC;through4in.Thesewashersareintendedforgeneral-purposemechanicalandstructuralusewithbolts,nuts,studs,andotherinternallyandexternallythreadedfasteners.ThesewashersaresuitableforusewithfastenerscoveredinSpecificationsA325,A354,A449,andA490.1.2Thewashersaredesignatedbytypedenotingthematerialandbystyledenotingtheshape.1.2.1Thetypesofwasherscoveredare:1.2.1.1Type18212;Carbonsteel.1.2.1.2Type38212;Weatheringsteel.AtmosphericcorrosionresistanceandweatheringcharacteristicsarecomparabletothatofsteelscoveredinSpecificationsA588/A588MandA709/A709M.Theatmosphericcorrosionresistanceofthesesteelsissubstantiallybetterthanthatofcarbonsteelwithorwithoutcopperaddition.See5.1.Whenproperlyexposedtotheatmosphere,thesesteelscanbeusedbare(uncoated)formanyapplications.1.2.2Thestylesofwasherscoveredare:1.2.2.1Circular8212;Circularwashersinnominalboltsizesx00BC;through4in.suitableforapplicationswheresufficientspaceexistsandangularitypermits.1.2.2.2Beveled8212;Beveledwashersaresquareorrectangular,innominalsizesx00BD;through1x00BD;in.,withabeveled1to6ratiosurfaceforusewithAmericanstandardbeamsandchannels.1.2.2.3Clipped8212;Clippedwashersarecircularorbeveledforusewherespacelimitationsnecessitatethatonesidebeclipped.Note18212;AcompletemetriccompaniontoSpecificationF436hasbeendevelopedx2014;SpecificationF436M;thereforenometricequivalentsarepresentedinthisspecification.1.2.2.4ExtraThick8212;Extrathickwashersarecircularwashersinnominalsizesx00BD;through1x00BD;in.,withanominalthicknessof5/16in.suitableforstructuralapplicationswithoversizedholes.1.3TermsusedinthisspecificationaredefinedinTerminologyF1789unlessotherwisedefinedherein.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:6P.;A4
【正文语种】:
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