ASTM A 987-2007 锡轧制产品的形状特性测量的标准实施规程
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【英文标准名称】:StandardPracticeforMeasuringShapeCharacteristicsofTinMillProducts
【原文标准名称】:锡轧制产品的形状特性测量的标准实施规程
【标准号】:ASTMA987-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:薄板材;钢;试验方法;锡;镀锡
【英文主题词】:Sheetmaterials;Steels;Testmethods;Tin;Tin-plate
【摘要】:
【中国标准分类号】:H62
【国际标准分类号】:77_140_50
【页数】:8P;A4
【正文语种】:英语
Product Code:SAE AMS5721
Title:Steel Bars, Corrosion and Heat Resistant 20Cr - 9Ni - 1.4Mo -1.4W - 0.42 (Cb+Ta) - 0.22Ti (Cancelled Apr 1991) (NONCURRENT Oct 1982)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:Primarily for parts, such as bolts, dowels and fittings, for use up to 1150 F.【英文标准名称】:StandardPracticeforDeterminingtheEffectsofTemperatureCyclingonFenestrationProducts
【原文标准名称】:测定穿孔产品温度循环效果的标准实施规程
【标准号】:ASTME2264-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E06.51
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:窗;循环;门;温度循环;测定;效应
【英文主题词】:acceleratedaging;airleakage;convectivehotair;differentialairtemperatures;durability;fenestration;infraredradiation;temperaturecycling;windowperformance
【摘要】:1.1Thispracticecoversthetestingofanyfenestrationproductsthatareinstalledwiththeexteriorsurfaceexposedtoweatheringconditions.Itisintendedtomeasuretheresponseofthefenestrationproducttotemperaturecycleswiththetemperaturechangesbeinginducedbycontrollingtheairtemperatureontheexterior(weatherside)orbyexposingtheproducttoinfraredradiation,orboth.Whentestedusingthispractice,fenestrationproductsareexposedtostandardcyclesofelevatedanddepressedambientairandsurfacetemperatures.Testmethodsarespecifiedforevaluatingchangesinperformancethatmayoccurasaresultoftemperaturecycling.Withthispractice,seasonalanddiurnaltemperatureconditionsaresimulatedinacontrolledlaboratoryapparatus.1.2Inthispractice,twotestmethods,TestMethodAandTestMethodB,aredescribedforexposingtheexteriorsurfaceoffenestrationproductstotheelevatedportionofastandardizedtemperaturecycle.Thepurposeforprovidingtwotestmethodsofexposureistoaddresstwodistinctneedsofthefenestrationindustry.1.2.1TestMethodAusesinfraredradiationtoincreasethesurfacetemperatureofthefenestrationproductandusesablackpaneltemperaturesensorplacedinfrontofthespecimen''sexteriorsurfacetosensethetemperature.Thesurfacetemperatureoftheblackpaneltemperaturesensorisraisedtoapresetlevelabovetheexteriorambientairtemperature.Thisprovidesamorerealistictestfortemperatureexposurebasedonatmosphericsolarradiationanditseffectonthetemperatureincreaseofexteriorbuildingmaterials.Thismethodshouldbeusedwhenthenumberofcyclescanbelargeandtheoutcomeiscriticalforfieldcorrelation.TestMethodAisintendedforcomparativeproductevaluations.1.2.2TestMethodBuseselevatedtemperatureproducedbyconvectivehotairtoachievetheexteriorairtemperatureset-point.Itprovidesamoresevertestbecauseitelevatestheexteriorairtemperaturetolevelsthatarenotobtainableunderin-serviceconditions.Thisprovidesamorerapiddegradationcycleforacceleratingtheeffectsofthetemperatureexposurecyclingonsomematerialsandfasteningmethodsusedinfenestrationproducts.Thismethodisintendedtobeusedwhenthenumberoftemperaturecyclesmustbeminimizedortheoutcomeisnotcriticalforfieldcorrelation.TestMethodBisintendedforresearchanddevelopmentpurposesandnotforcomparativeproductevaluations.1.3Inthispractice,threetemperatureexposurelevelsaresuggestedforeachmethod:Level1isalowtemperatureexposure,Level2isamoderatetemperatureexposure,andLevel3isahightemperatureexposure.Thepurposeofprovidingthreelevelsoftemperatureexposureistoaccommodatedifferentgradesoffenestrationproductsbasedontheirdesignsandtheirpotentialgeographicinstallationlocations.Othertemperaturelevelsmaybeselectedbythespecifier.1.3.1Performancecharacteristicmeasurementsareusedtoevaluatetheeffectsonthefenestrationproductcausedbytemperaturecycling.Theyaremeasuredbythefollowingtests:AirleakageratesshallbemeasuredinaccordancewithTestMethodE283.WaterpenetrationresistanceshallbemeasuredinaccordancewithTestMethodE331orTestMethodE547.StructuralstrengthshallbemeasuredinaccordancewithTestMethodE330.Thistestshallonlybeperformedwhenspecifiedandonlyaftertemperaturecyclingiscompleted.1.3.2Thetestspecifiermayalsochooseadditionalteststocharacterizefenestrationproductperformance.(SeeNote0forsuggestedadditionaltests.)1.3.3Forthepurposesofproductcomparison,thesetestsareperformedatornearstandardlaboratoryconditions,butforresearchanddevelopmentpurposes,theymayalsobeperformedduringanelevatedordepressedportionofthetemp......
【中国标准分类号】:P32
【国际标准分类号】:91_060_50
【页数】:7P.;A4
【正文语种】:
