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【英文标准名称】:StandardTestMethodsforSingleFilamentHoseReinforcingWireMadefromSteel
【原文标准名称】:单股软增强钢丝的标准试验方法
【标准号】:ASTMD6320-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D13.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:轮胎钢丝;试验;延伸;金属线;直径;钢丝;结节;扭转
【英文主题词】:diameter;elongation;reversebend;strength,breaking;strength,knot;torsion;wire,hosereinforcing;wrap
【摘要】:Theproceduresforthedeterminationofpropertiesofsingle-filamenthosereinforcingwiremadefromsteelareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofthisproductbecausetheproceduresarethebestavailableandhavebeenusedextensivelyinthetrade.5.1.1Inthecaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthesetestmethodsforacceptancetestingofcommercialshipments,thepurchaserandsuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedforinvestigationofbias.Asaminimum,twopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensthenshouldberandomlyassignedinequalnumberstoeachlaboratoryfortesting.Theaverageresultsfromthetwolaboratoriesshouldbecomparedbyusinganappropriatestatisticaltestandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbedeterminedandcorrectedorthepurchaserandsuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.1.1Thesetestmethodscovertestingofsinglefilamentsteelwiresthatareusedtoreinforcehoseproducts.Byagreement,thesetestmethodsmaybeappliedtosimilarfilamentsusedforreinforcingotherrubberproducts.1.2Thesetestmethodsdescribetestproceduresonlyanddonotestablishspecificationsortolerances.1.3Thesetestmethodscoverthedeterminationsofthemechanicalpropertieslistedbelow:PropertySectionBreakingforce(strength)YieldstrengthElongationKnotstrengthTorsionresistanceReversebendWrapDiameter