【英文标准名称】:Specificationforhessiansandbagsandrot-proofedhessiansandbags
【原文标准名称】:粗麻布砂袋与防腐粗麻布砂袋规范
【标准号】:BS1214-1977
【标准状态】:现行
【国别】:英国
【发布日期】:1977-06-30
【实施或试行日期】:1977-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数量密度;沙袋;打包麻布;尺寸;防护遮栏;纺织品缝制工艺;霉菌防护剂;缝隙;密度;缝纫;缝合;断裂荷载;纺织试验;机织物;安全装置;材料强度
【英文主题词】:Breakingload;Density;Dimensions;Fungusproofing;Hessian;Numberdensity;Protectivebarriers;Safetydevices;Sandbags;Seams;Sewing;Stitches;Strengthofmaterials;Textilemaking-upprocesses;Textiletesting;Wovenfabrics
【摘要】:Propertiesofthreefabrics,making-uprequirementsandrot-proofingprocesses.
【中国标准分类号】:W30
【国际标准分类号】:55_080
【页数】:8P.;A4
【正文语种】:英语


【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】: