SAE AMS2813 Packaging and Marking of Packages of Welding Wire, Standard Method
作者:标准资料网 时间:2024-05-24 12:57:40 浏览:9585
来源:标准资料网
Product Code:SAE AMS2813
Title:Packaging and Marking of Packages of Welding Wire, Standard Method
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers spooling and packaging of bare welding wire to ensure cleanliness but with minimum environmental protection, spool sizes and weights of spooled wire, and package weights of cut lengths.
【英文标准名称】:StandardTestMethodforWaterVaporTransmissionRateofSheetMaterialsUsingDynamicRelativeHumidityMeasurement
【原文标准名称】:用动态相对湿度测量法测定薄板材料中水蒸气透过率的标准试验方法
【标准号】:ASTME398-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:F02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:相对的;水蒸气透过性;薄板材;湿度测量;动态的;水蒸气
【英文主题词】:dynamicmeasurement;flexiblebarriermaterials;relativehumidity;sheetmaterial;watervaportransmission
【摘要】:Nosinglesetoftestconditionscanrepresentallclimaticanduseconditions,sothisWVTRtestmethodservesmoretocomparedifferentmaterialsatastatedsetofconditionsthantopredicttheiractualperformanceinthefieldunderanyconditions.Thewatervaportransmissionrate,underknownandcarefullycontrolledconditions,maybeusedtoevaluatethevaporbarrierqualitiesofasheet.Directcorrelationofvaluesobtainedunderdifferentconditionsoftesttemperatureandrelativehumiditywillbevalidprovidedthebarriermaterialundertestdoesnotundergochangesinsolidstate(suchasacrystallinetransitionormeltingpoint)atorbetweentheconditionsoftest.1.1Thistestmethodcoversdynamicevaluationoftherateoftransferofwatervaporthroughaflexiblebarriermaterialandallowsconversiontothegenerallyrecognizedunitsofwatervaportransmission(WVT)asobtainedbyvariousothertestmethodsincludingthegravimetricmethoddescribedinTestMethodsE96.1.2LimitationsThistestmethodislimitedtoflexiblebarriersheetmaterialscomposedofeithercompletelyhydrophobicmaterials,orcombinationsofhydrophobicandhydrophilicmaterialshavingatleastonesurfacethatishydrophobic.1.3Theminimumtestvalueobtainedbythistestmethodislimitedbytheleakageofwatervaporpasttheclampingsealsofthetestinstrument.Areasonablevaluemaybeapproximately0.01g/24hm2foranyWVTRmethodincludingthedesiccantprocedureofTestMethodsE96at37.8C(100F),and90%relativehumidity.Thislimitcanbecheckedforeachinstrumentwithanimperviousspecimensuchasaluminumfoil.Calibrationprocedurescancompensatefortheleakagerateifsostated.1.4Thistestmethodisnotsuitableforrefereetestingatthistime,butissuitableforcontroltestingandmaterialcomparison.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgivesinparenthesesareprovidedforinformationpurposesonly.1.6SeveralotherASTMtestmethodsareavailabletotestasimilarproperty.Thistestmethodisuniqueinthatitcloselyduplicatestypicalproductstoragewhereatransferofmoisturefromapackageintotheenvironmentisallowedtoproceedwithoutconstantlysweepingtheenvironmentalsidewithdrygas.MethodswithconstantlysweptdrysidesincludeTestMethodsF1249,ASTMF372,andASTMF1770.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A80
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Determinationofthespontaneousignitionbehaviourofdustaccumulations;EnglishversionofDINEN15188:2007-11
【原文标准名称】:尘埃积聚物自发着火性的测定
【标准号】:EN15188-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析装置;散装物料;团料;定义;尘埃;尘埃火灾;防尘试验;爆炸性环境;易燃材料;热存储;着火性;点火;点燃;点燃温度;解释;调查方法;调查;材料特性;安全工程;划痕试验程序;自燃材料;自燃;固体;温度;测试
【英文主题词】:Apparatusforanalysis;Bulkmaterials;Conglomerates;Definition;Definitions;Dust;Dustfires;Dusttests;Explosiveatmospheres;Flammablematerials;Hotstorage;Ignitability;Ignition;Inflammation;Inflammationtemperature;Interpretations;Investigationmethods;Investigations;Materialproperties;Safetyengineering;Scoringprocedures(tests);Self-ignitingmaterials;Self-ignition;Solids;Temperature;Testing
【摘要】:
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:23P.;A4
【正文语种】:英语
