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【英文标准名称】:Hydrogenembrittlementofsteels-Notchedspecimentest
【原文标准名称】:钢的氢脆性.V形切口试件试验
【标准号】:BSEN2832-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-05-15
【实施或试行日期】:1993-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验条件;钢;试样;机械试验;尺寸;划痕;航空运输工程;航天技术;氢;脆裂
【英文主题词】:Aerospacetransport;Airtransport;Embrittlement;High-tensilesteels;Hydrogen;Hydrogenembrittlement;Materials;Mechanicalbehaviourofmaterials;Notchedspecimentest;Spacetransport;Steels;Tensiletesting;Testspecimens;Testing
【摘要】:Specifiesthemethodwhichisusedtoassessembrittlementduringchemicalorelectrolyticsurfacetreatments.
【中国标准分类号】:H23
【国际标准分类号】:49_025_10
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:SpecificationforMultilayerPipeType2,CompressionFittings,andCompressionJointsforHydronicHeatingSystems
【原文标准名称】:循环加热系统用2型多层管、压合配件和压合接头的规范
【标准号】:ANSI/ASTMF1987-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Compressionfittings;Fluidsystems;Heatinginstallations;Pipecouplings;Pipes
【摘要】:Thisspecificationcoversrequirementsformultilayerpipetype2andcompressionfittingsforhydronicheatingsystems,withamaximumpressure/temperaturerangeof1000kPa(145psi),at82?C(180?F).Note1MultilayerPipeType2-Construction-basedpressureratedpipecomprisingmorethanonelayerinwhichatleast60%ofthewallthicknessispolymericmaterial.Multilayerpipetype2isproducedusingabutt-weldedaluminumpipeasacore,withanextrudedinsidelayerofcrosslinkedpolyethylene(PEX).Anadhesivelayerisusedtobondtheinsidelayertothewallofthealuminumpipe.Anouterlayerofpolyethylene(PE)andanadhesivelayerareextrudedtotheouterwallofthealuminumpipe.Multilayerpipetype2isproducedinConfigurations1and2,asshowninFig1.Thisspecificationincludescompressionfittings,whicharereferencedinFig.2.SpecificationsforthreadedorsolderadaptersforusewithpipeandfittingsmeetingtherequirementsofthisspecificationaregiveninAnnexA1andAnnexA2.Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportionofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisspecification.Note2Multilayerpipetype2,configurations1and2,forhydronicheatingsystemsarenotcompatiblefordrinkingwateruse.
【中国标准分类号】:J15
【国际标准分类号】:23_040_45;23_040_60
【页数】:
【正文语种】:英语