ANSI/ASME B31.3a Addenda-1984 化工厂和炼油厂管道.修改件

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【英文标准名称】:StandardTestMethodforDeterminationofFireandThermalParametersofMaterialsUsinganIntermediateScaleTestwithVerticallyOrientedSpecimen
【原文标准名称】:使用垂直定向样本的中型试验测定材料的耐火和耐热参数的标准试验方法
【标准号】:ASTME2405-2005
【标准状态】:作废
【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】:E05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:火灾;试验;热的;样品;媒介试验;垂直;参数;测定;比例
【英文主题词】:
【摘要】:Thistestmethodisusedprimarilytodeterminetime-to-ignition,verticalflamespreadrate,andlateralflamespreadrateofmaterials,productsandassembliesinaverticalorientationwhenexposedtoagraduatedradiantheatflux.Optionally,thistestmethodissuitabletomeasuretheheatreleaserateandsmokedevelopmentrateofmaterials,productsandassembliesinaverticalorientationwhenexposedtoagraduatedradiantheatflux.Thistestmethodissuitabletotestmaterialsthathaveaplanarornearlyplanarexposedsurface.Thistestmethodisnotintendedtotestmaterialswithsurfacecracks,fissuresorholesexceeding8mminwidthor10mmindepth.Also,thetotalareaofsuchcracks,fissuresorholesatthesurfaceshallnotexceed30%oftheexposedsurfaceareaofthespecimen.1.1Thisfire-test-responsestandarddeterminesfirepropertiesrelatedtopilotedignitionofaverticallyorientedspecimenexposedtoanexternalgraduatedradiantheatfluxasshownin.Thistestmethodprovidesdatasuitableforcomparingtheperformanceofmaterials,whichareusedastheexposedsurfacesofwallsorotherverticallyorientatedproductsinconstructionapplications.Note1ThistestmethodhasbeenpreparedtocloselyfollowthetestprocedureofISO5658-4,howeverwithadditionalprovisionsforheatreleaseandsmokedevelopmentmeasurementsthatareoptional.1.2Thefirecharacteristicsdeterminedbythistestmethodincludetime-to-ignition,verticalflamespreadrateandlateralflamespreadrate.Optionalmeasurementsincludeheatreleaseratesandvisiblesmokedevelopmentrates.1.3Theoptionalheatreleaserateisdeterminedbytheprincipleofoxygenconsumptioncalorimetry,viameasurementoftheoxygenconsumptionasdeterminedbytheoxygenconcentrationandflowrateintheexhaustproductstream(exhaustduct).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.6Firetestingofproductsandmaterialsisinherentlyhazardous,andadequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.Thistestmethodmayinvolvehazardousmaterials,operations,andequipment.SpecificinformationabouthazardisgiveninSection.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:13_220_40
【页数】:29P.;A4
【正文语种】:


Product Code:SAE AMS7270
Title:Rings, Sealings, Butadiene-Acrylonitrile (NBR) Rubber Fuel Resistant 65 - 75
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings.