ASTM D4975-2004(2010) 单股轮胎边钢丝的标准试验方法
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【英文标准名称】:StandardTestMethodsforSingle-FilamentTireBeadWireMadefromSteel
【原文标准名称】:单股轮胎边钢丝的标准试验方法
【标准号】:ASTMD4975-2004(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】:diameter;elongation;strength;tirebeadwire;torsion;Beadwire;Breakingstrength/tenacity--textilefabrics/fibers;Diameter--textilefabrics/fibers;Elongation--textiles;Single-filamentsteelwire;Steelwire;Tirecordsandtirecordfabrics;Tors
【摘要】:Theproceduresforthedeterminationofpropertiesofsingle-filamentbeadwiremadefromsteelareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofthisproductbecausetheproceduresarethebestavailableandhavebeenusedextensivelyinthetrade.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthesetestmethodsforacceptancetestingofcommercialshipments,thepurchaserandsuppliershouldconductcomparativetesttodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensthenshouldberandomlyassignedinequalnumbertoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbedeterminedandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.1.1Thesetestmethodscovertestingofsingle-filamentsteelwiresthatarecomponentsoftirebeadsusedinthemanufactureofpneumatictires.Byagreement,thesetestmethodsmaybeappliedtosimilarfilamentsusedforreinforcingotherrubberproducts.1.2Thesetestmethodsdescribetestproceduresonlyanddonotestablishspecificationsandtolerances.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:H49
【国际标准分类号】:83_160_10
【页数】:6P.;A4
【正文语种】:英语
【原文标准名称】:单股轮胎边钢丝的标准试验方法
【标准号】:ASTMD4975-2004(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】:diameter;elongation;strength;tirebeadwire;torsion;Beadwire;Breakingstrength/tenacity--textilefabrics/fibers;Diameter--textilefabrics/fibers;Elongation--textiles;Single-filamentsteelwire;Steelwire;Tirecordsandtirecordfabrics;Tors
【摘要】:Theproceduresforthedeterminationofpropertiesofsingle-filamentbeadwiremadefromsteelareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofthisproductbecausetheproceduresarethebestavailableandhavebeenusedextensivelyinthetrade.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthesetestmethodsforacceptancetestingofcommercialshipments,thepurchaserandsuppliershouldconductcomparativetesttodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensthenshouldberandomlyassignedinequalnumbertoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbedeterminedandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.1.1Thesetestmethodscovertestingofsingle-filamentsteelwiresthatarecomponentsoftirebeadsusedinthemanufactureofpneumatictires.Byagreement,thesetestmethodsmaybeappliedtosimilarfilamentsusedforreinforcingotherrubberproducts.1.2Thesetestmethodsdescribetestproceduresonlyanddonotestablishspecificationsandtolerances.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:H49
【国际标准分类号】:83_160_10
【页数】:6P.;A4
【正文语种】:英语
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