NF A02-001-1997 铸造.铸铁的命名体系.材料符号及材料编号
时间:2024-05-13 22:59:08 来源: 标准资料网 作者：标准资料网 阅读：9034
【英文标准名称】:Founding.Designationsystemforcastiron.Materialsymbolsandmaterialnumbers.
【原文标准名称】:铸造.铸铁的命名体系.材料符号及材料编号
【标准号】:NFA02-001-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-09-01
【实施或试行日期】:1997-09-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铁;分类;符号;材料;设计;名称与符号;铸造(学);金属;材料符号;数字标志;铸铁;铸造生产;命名体制;材料编号;壳体
【英文主题词】:Bodies;Cast-iron;Classification;Design;Designationsystems;Designations;Foundries;Foundrypractice;Iron;Materialnumbers;Materialsymbol;Materials;Metals;Numericaldesignations;Symbols
【摘要】:
【中国标准分类号】:J31
【国际标准分类号】:77_080_10
【页数】:16P.;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforSmokeObscurationofInsulatingMaterialsContainedinElectricalorOpticalFiberCablesWhenBurninginaVerticalCableTrayConfiguration
【原文标准名称】:电缆或光缆的绝缘材料在立式电缆槽结构中燃烧时的烟昏暗度的标准试验方法
【标准号】:ASTMD5424-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D09.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cable;cabletray;carbondioxide;carbonmonoxide;char;electricalcable;fire;fire-testresponse;flame;heatrelease;heatreleaserate;ignition;opticaldensity;opticalfibercable;oxygenconsumptioncalorimetry;smokeobscuration;
【摘要】:Thistestmethodprovidesameanstomeasureavarietyoffire-test-responsecharacteristicsassociatedwithsmokeobscurationandresultingfromburningtheelectricalinsulatingmaterialscontainedinelectricaloropticalfibercables.Thespecimensareallowedtoburnfreelyunderwellventilatedconditionsafterignitionbymeansofapropanegasburner.Smokeobscurationquantifiesthevisibilityinfires.Thistestmethodisalsosuitableformeasuringtherateofheatreleaseasanoptionalmeasurement.Therateofheatreleaseoftenservesasanindicationoftheintensityofthefiregenerated.Otheroptionalfire-test-responsecharacteristicsthataremeasurablebythistestmethodareusefultomakedecisionsonfiresafety.Themostimportantgaseouscomponentsofsmokearethecarbonoxides,presentinallfires.Theyaremajorindicatorsofthetoxicityoftheatmosphereandofthecompletenessofcombustionandareoftenusedaspartoffirehazardassessmentcalculationsandtoimprovetheaccuracyofheatreleasemeasurements.Othertoxicgases,whicharespecifictocertainmaterials,arelesscrucialfordeterminingcombustioncompleteness.TestLimitations:Thefire-test-responsecharacteristicsmeasuredinthistestmethodarearepresentationofthemannerinwhichthespecimenstestedbehaveundercertainspecificconditions.Donotassumetheyarerepresentativeofagenericfireperformanceofthematerialstestedwhenmadeintocablesoftheconstructionunderconsideration.Inparticular,itisunlikelythatthistestmethodisanadequaterepresentationofthefirebehaviorofcablesinconfinedspaces,withoutabundantcirculationofair.Thisisanintermediate-scaletest,andthepredictabilityofitsresultstolargescalefireshasnotbeendetermined.Someinformationexiststosuggestthatithasbeenvalidatedagainstsomelarge-scalescenarios.1.1Thisisafire-test-responsestandard.1.2Thistestmethodprovidesameanstomeasurethesmokeobscurationresultingfromburningelectricalinsulatingmaterialscontainedinelectricaloropticalfibercableswhenthecablespecimens,excludingaccessories,aresubjectedtoaspecifiedflamingignitionsourceandburnfreelyunderwellventilatedconditions.1.3Thistestmethodprovidestwodifferentprotocolsforexposingthematerials,whenmadeintocablespecimens,toanignitionsource(approximately20kW),fora20mintestduration.Useittodeterminetheflamepropagationandsmokereleasecharacteristicsofthematerialscontainedinsingleandmulticonductorelectricaloropticalfibercablesdesignedforuseincabletrays.1.4Thistestmethoddoesnotprovideinformationonthefireperformanceofelectricaloropticalfibercablesinfireconditionsotherthantheonesspecificallyusedinthistestmethodnordoesitmeasurethecontributionofthecablestoadevelopingfirecondition.1.5Datadescribingtheburningbehaviorfromignitiontotheendofthetestareobtained.1.6Theproductionoflightobscuringsmokeismeasured.1.7Theburningbehaviorisdocumentedvisually,byphotographicorvideorecordings,orboth.1.8Thetestequipmentissuitableformakingother,optional,measurements,includingtherateofheatreleaseoftheburningspecimen,byanoxygenconsumptiontechniqueandweightloss.1.9Anothersetofoptionalmeasurementsaretheconcentrationsofcertaintoxicgasspeciesinthecombustiongases.1.10ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.(SeeProduct Code:SAE AMS5598
Title:Nickel Alloy, Corrosion and Heat-Resistant, Sheet, Strip, and Plate, 72Ni - 15.5Cr - 0.95 (Cb (Nb) + Ta) - 2.5Ti - 0.70Al - 7.0Fe, Consumable Electrode, Remelted or Vacuum Induction Melted, Solution Heat Treated, Precipitation-Hardenable
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant nickel alloy in the form of sheet, strip, and plate procured in inch/pound units.