ASTM D2969-2004(2010) 轮胎钢芯线的标准试验方法

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【英文标准名称】:StandardTestMethodsforSteelTireCords
【原文标准名称】:轮胎钢芯线的标准试验方法
【标准号】:ASTMD2969-2004(2010)
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:adhesion;brasscoating;directionoflay;elongation;lineardensity;steelcord;strength,breaking;thickness;visualappearance;Stiffness--textilematerials/applications;Tensileproperties/testing--textilematerials/applications;Thickness--te
【摘要】:TheproceduresinTestMethodsD2969forthedeterminationofthepropertiesofsteeltirecordandrelatedmaterialsareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofsuchproductsbecausetheproceduresarethebestavailableandhavebeenusedextensivelyinthetrade.Whenapurchaserfrequentlyusesaspecificsupplier,itisrecommendedthatthetwopartiesinvestigatethemethodstodetermineifthereisanybiasbetweentheirtwolaboratoriesasdirectedin5.1.1.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Testspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.Theaverageresultsfromthetwolaboratoriesshouldbecomparedusingtheappropriatestatisticalanalysisandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifbiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.Thesignificanceanduseofparticularpropertiesarediscussedintheappropriatesections.1.1Thesetestmethodscoverthetestingofcordsmadefromsteelthatarespecificallydesignedforuseinthereinforcementofpneumatictires.Byagreement,thesetestmethodsmaybeusedtotestsimilarcordsorfilamentsusedforreinforcingotherrubberproducts.Thesteelcordsmaybewoundonspoolsorbeams.Thesteelcordsmayalsobewovenintofabric,inwhichcasetheymustberemovedfromthefabricpriortotesting.Note18212;Forothermethodsoftestingtirecordsandtirecordfabrics,refertoMethodsD885,TestMethodsD1871,Specifications,andTestMethodsD2692andD2970/D2970M.Fortolerancesontirecordsandtirecordfabrics,refertoSpecificationsandMethodsD885.1.2Thesetestmethodsincludetestproceduresonly;theydonotestablishspecificationsortolerances.
【中国标准分类号】:H49
【国际标准分类号】:83_160_01
【页数】:17P.;A4
【正文语种】:英语