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ASTM D6611-2000(2007) 湿和干纱-纱耐磨性能的标准试验方法

作者:标准资料网 时间:2024-05-14 17:36:40  浏览:9101   来源:标准资料网
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【英文标准名称】:StandardTestMethodforWetandDryYarn-on-YarnAbrasionResistance
【原文标准名称】:湿和干纱-纱耐磨性能的标准试验方法
【标准号】:ASTMD6611-2000(2007)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D13.16
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasion;rope;yarn;Abrasionresistance--textilefabrics/fibers;Dryabrasionresistance;Wetabrasionresistance;Yarnproperties
【摘要】:Thistestmethodisintendedfortestingdryandwetabrasionresistanceofmanufacturedfiberyarns.Thistestmethodisespeciallyusefulforropesintendedforuseinthemarineenvironment.Thetestmethodhasbeenusedwithyarnshavinglineardensitiesrangingfrom70to300tex,butmaybeusedwithyarnsoutsidetheseranges.Limitedinterlaboratorycorrelationtestinghasbeenconductedtodate.Single-laboratorytesting,inaccordancewithASTMpractices,hasnowbeenconducted.Additionalinterlaboratorytesting,inaccordancewithASTMpractices,willbeconductedafterapprovalofadefinitivetestmethod.Testresultsshouldbeusedwithcautionpendingcompletionofinterlaboratorytesting.Thistestmethodisnotrecommendedforacceptancetestingofcommercialshipmentsintheabsenceofreliableinformationonbetween-laboratoryprecision.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwoormorelaboratories,comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimumthetestsamplesusedshouldbeashomogeneousaspossible,bedrawnfromthematerialfromwhichthedisparatetestresultswereobtained,andberandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwoormorelaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortotesting.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.Thistestmethodisconductedatoneorseveralappliedtensionsthatmaydependupontheyarnmaterialandsize.Thenumberandmagnitudesofappliedtensionsandthenumberofeightspecimensetsgenerallyareagreeduponinamaterialspecificationorcontractorder.GuidanceondeterminingtheappropriatenumberandmagnitudesofappliedtensionsisgiveninAnnexA2.1.1Thistestmethoddescribesthemeasurementofabrasionresistancepropertiesformanufacturedfiberyarnsindryandwetconditions.1.2Thistestmethodappliestomanufacturedyarnsusedinropemaking.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:59_080_20
【页数】:8P.;A4
【正文语种】:


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【英文标准名称】:StandardSpecificationforPolyethylenePlasticsMoldingandExtrusionMaterials
【原文标准名称】:聚乙烯塑料模制材料和挤压材料的标准规范
【标准号】:ASTMD4976-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:聚乙烯;模制材料;塑料
【英文主题词】:plastics;polyethylene;mouldings(shapedsection)
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:83_080_20
【页数】:7P;A4
【正文语种】:英语


【英文标准名称】:Specificationfornormalandhighstrengthsteelboltsandnutsforrailwayrailfishplates
【原文标准名称】:铁路鱼尾板用的标准和高强度钢螺栓和螺母规范
【标准号】:BS64-1992
【标准状态】:现行
【国别】:英国
【发布日期】:1992-11-15
【实施或试行日期】:1992-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;抗拉强度;长度;螺母;盘头紧固件;质量控制;紧固件;螺栓;铁路设施;惠氏螺纹;平头紧固件;检验荷载;钢;英国细牙标准螺纹;半圆头紧固件;厚度;方头紧固件;抗拉荷载;铁路固定设备;硬度;铁路轨道;宽度;鱼尾板;等级(质量);尺寸公差;延伸;尺寸;尺寸;铁路设备;直径;螺纹紧固件
【英文主题词】:Bolts;BSFscrewthreads;Cup-headfasteners;Diameter;Dimensionaltolerances;Dimensions;Elongation;Fasteners;Fishplates;Grades(quality);Hardness;Length;Marking;Nuts;Pan-headfasteners;Proofloading;Qualitycontrol;Railwayapplications;Railwayequipment;Railwayfixedequipment;Railwaytrack;Size;Square-headfasteners;Steels;Tensileloading;Tensilestrength;Thickness;Threadedfasteners;Whitworthscrewthreads;Width
【摘要】:ThisBritishStandardspecifiesthedimensionsandrequirementsfornormalandhighstrengthboltsandnutsforfishplatesconformingtoBS47:Part1:1991forusewithrailwayrailsconformingtoBS11:1985.TheprovisionsofthisspecificationarenotrestrictedtofishboltsforusewithrailsandfishplatesconformingtoBS11:1985andBS47:Part1:1991andmaybeappliedtofishboltsforanyrailsectionof24.8kg/m(50lb/yd)orgreaterlinearmassandthecomplementaryfishplates.
【中国标准分类号】:S11
【国际标准分类号】:45_080;93_100
【页数】:18P.;A4
【正文语种】:英语



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