BS 7076-4-1990 BS1560法兰密封垫尺寸.第4部分:波纹状、平的或开槽金属和填充金属密封垫规范
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来源:标准资料网
【英文标准名称】:DimensionsofgasketsforflangestoBS1560.Specificationforcorrugated,flatorgroovedmetallicandfilledmetallicgaskets
【原文标准名称】:BS1560法兰密封垫尺寸.第4部分:波纹状、平的或开槽金属和填充金属密封垫规范
【标准号】:BS7076-4-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-01-31
【实施或试行日期】:1990-01-31
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:波纹状的;作标记;作标记;额定值;法兰;密封件;有套密封垫;凸台密封面法兰;量值;平滑密封面法兰;静密封件;设计;直径;衬垫;名称与符号;金属;沟;尺寸;尺寸
【英文主题词】:ratings;marking;diameter;metals;seals;designations;grooves;size;raised-faceflanges;jacketgaskets;flanges;design;flat-facedflanges;gaskets;dimensions;corrugated;staticseals
【摘要】:
【中国标准分类号】:J22
【国际标准分类号】:23_040_80
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforRadiantHeatPerformanceofFlameResistantClothingMaterialswithBurnInjuryPrediction
【原文标准名称】:评估阻燃服装材料的辐射热性能进行烧伤预测的标准试验方法
【标准号】:ASTMF2702-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F23.80
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparel;protectiveclothing;radiantheatprotection;radiantheatperformance,flameresistance
【摘要】:Thistestmethodisintendedforthedeterminationoftheradiantheatperformancevalueofamaterial,acombinationofmaterials,oracomparisonofdifferentmaterialsusedinflameresistantclothingforworkersexposedtoradiantthermalhazards.Thistestmethodevaluatesamaterialx2019;sheattransferpropertieswhenexposedtoaheatexposureataconstantvalueandsystematicallyvarieddurations.Airmovementatthefaceofthespecimenandaroundthecalorimetercanaffectthemeasuredheattransferredduetoforcedconvectiveheatlosses.Minimizingairmovementaroundthespecimenandtestapparatuswillaidintherepeatabilityoftheresults.Thistestmethodaccountsforthethermalenergycontainedintheexposedtestspecimenaftertheradiantheatexposurehasceased.HighervaluesofRadiantHeatPerformanceratingdeterminedinthistestassociatetohighervaluesofradiantenergyprotectionagainstapredictedskinburninjury.Thistestmethodmaintainsthespecimeninastatic,verticalpositionanddoesnotinvolvemovementexceptthatresultingfromtheexposureprocedure.Thistestmethodspecifiestwostandardsetsofexposureconditions,21kW/m2(0.5cal/cm2s)and84kW/m2(2.0cal/cm2s).Eithercanbeused.5.5.1Ifadifferentsetofexposureconditionsisused,itislikelythatdifferentresultswillbeobtained.5.5.2Theoptionaluseofotherconditionsrepresentativeoftheexpectedhazard,inadditiontothestandardsetofexposureconditions,ispermitted.However,theexposureconditionsusedmustbereportedwiththeresultsalongwithadeterminationoftheexposureenergylevelstability.1.1Thistestmethodmeasuresthermalprotectivecharacteristicsofflameresistanttextilematerialssubjectedtoastandardizedradiantheatexposurerelativetoapredictedsecond-degreeskinburninjury.1.1.1Thistestmethodisnotapplicabletotextilematerialsthatarenotflameresistant.Note18212;Thedeterminationofatextilematerialx2019;sflameresistanceshallbemadepriortotestinganddoneaccordingtotheapplicableperformanceand/orspecificationstandardforthetextilematerialx2019;send-use.1.1.2Thistestmethodaccountsforthethermalenergycontainedinanexposedtestspecimenafterthestandardizedradiantheatexposurehasceased.1.2Thistestmethodisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundorotherunitsthatarecommonlyusedforthermaltesting.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:17P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforDeterminingElectricalConductivityUsingtheElectromagnetic(Eddy-Current)Method
【原文标准名称】:用电磁(涡流)法测定电导率的标准实施规程
【标准号】:ASTME1004-2002
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:eddy-current;electricalconductivity;metalsorting;nondestructivetesting
【摘要】:Absoluteprobecoilmethods,whenusedinconjunctionwithreferencestandardsofknownvalue,provideameansfordeterminingtheelectricalconductivityofnonmagneticmaterials.Electricalconductivityofasamplecanbeusedasameansofdetermining:(1)typeofmetaloralloy,(2)typeofheattreatment(foraluminumthisevaluationshouldbeusedinconjunctionwithahardnessexamination),(3)agingofthealloy,(4)effectsofcorrosion,and(5)heatdamage.1.1Thispracticecoversaprocedurefordeterminingtheelectricalconductivityofnonmagneticmetalsusingtheelectromagnetic(eddy-current)method.Theprocedurehasbeenwrittenprimarilyforusewithcommerciallyavailabledirectreadingelectricalconductivityinstruments.Generalpurposeeddy-currentinstrumentsmayalsobeusedforelectricalconductivitymeasurementsbutwillnotbeaddressedinthispractice.1.2Thispracticeisapplicabletometalsthathaveeitheraflatorslightlycurvedsurfaceandincludesmetalswithorwithoutathinnonconductivecoating.1.3Eddy-currentdeterminationsofelectricalconductivitymaybeusedinthesortingofmetalswithrespecttovariablessuchastypeofalloy,aging,colddeformation,heattreatment,effectsassociatedwithnon-uniformheatingoroverheating,andeffectsofcorrosion.Theusefulnessoftheexaminationsofthesepropertiesisdependentontheamountofelectricalconductivitychangecausedbyachangeinthespecificvariable.1.4Electricalconductivity,whenevaluatedwitheddy-currentinstruments,isusuallyexpressedasapercentageoftheconductivityoftheInternationalAnnealedCopperStandard(IACS).TheconductivityoftheAnnealedCopperStandardisdefinedtobe0.58108S/m(100%IACS)at20176;C.1.5ThevaluesstatedinSIunitsareregardedasstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A55
【国际标准分类号】:17_220_20(MEASUREMENTOFELECTRICALANDMAGNETICQUANTITIES)
【页数】:4P.;A4
【正文语种】:
