您的位置: 标准下载 » 协会标准 » SAE 美国机动车工程师学会 »

SAE AMS5892 Alloy, Sheet and Strip 42Fe - 37.5Ni - 14Co - 4.8(Cb+Ta) - 1.6Ti Solution Heat Treated, Precipitation Harden

作者:标准资料网 时间:2024-05-06 03:59:20  浏览:9671   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE AMS5892
Title:Alloy, Sheet and Strip 42Fe - 37.5Ni - 14Co - 4.8(Cb+Ta) - 1.6Ti Solution Heat Treated, Precipitation Hardenable Multiple Melted, High Temperature, Low Expansion
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a low expansion iron alloy in the form of sheet or strip.
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforInSituElectromagnetic(Eddy-Current)ExaminationofNonmagneticHeatExchangerTubes
【原文标准名称】:非磁性换热管现场电磁(涡流)检验的标准实施规程
【标准号】:ASTME690-2010
【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】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:eddy-current;electromagnetic;NDT;nondestructivetesting;Condenserandheatexchangersystems;Curietemperature;Eddycurrentexamination;Electromagnetic(eddycurrent)testing;Nonmagneticheatexchangertubes
【摘要】:Eddy-currentexaminationisanondestructivemethodoflocatingdiscontinuitiesintubingmadeofmaterialsthatconductelectricity.Signalscanbeproducedbydiscontinuitieslocatedeitherontheinneroroutersurfacesofthetube,orbydiscontinuitiestotallycontainedwithinthetubewall.Whenusinganinternalprobe,thedensityofeddycurrentsinthetubewalldecreasesveryrapidlyasthedistancefromtheinternalsurfaceincreases;thustheamplitudeoftheresponsetooutersurfacediscontinuitiesdecreasescorrespondingly.Someindicationsobtainedbythismethodmaynotberelevanttoproductquality.Forexample,anirrelevantsignalmaybecausedbymetallurgicalormechanicalvariationsthataregeneratedduringmanufacturebutthatarenotdetrimentaltotheenduseoftheproduct.Irrelevantindicationscanmaskunacceptablediscontinuitiesoccurringinthesamearea.Relevantindicationsarethosethatresultfromnonacceptablediscontinuities.Anyindicationabovetherejectlevel,whichisbelievedtobeirrelevant,shallberegardedasunacceptableuntilitisproventobeirrelevant.Fortubinginstalledinheatexchangers,predictablesourcesofirrelevantindicationsarelands(shortunfinnedsectionsinfinnedtubing),dents,scratches,toolchattermarks,orvariationsincoldwork.Rollingtubesintothesupportsmayalsocauseirrelevantindications,asmaythetubesupportsthemselves.Eddy-currentexaminationsystemsaregenerallynotabletoseparatetheindicationgeneratedbytheendofthetubefromindicationsofdiscontinuitiesadjacenttotheendsofthetube(endeffect).Therefore,thisexaminationmaynotbevalidattheboundariesofthetubesheets.1.1Thispracticedescribesprocedurestobefollowedduringeddy-currentexamination(usinganinternal,probe-type,coilassembly)ofnonmagnetictubingthathasbeeninstalledinaheatexchanger.Theprocedurerecognizesboththeuniqueproblemsofimplementinganeddy-currentexaminationofinstalledtubing,andtheindigenousformsoftube-walldeteriorationwhichmayoccurduringthistypeofservice.Thedocumentprimarilyaddressesscheduledmaintenanceinspectionofheatexchangers,butcanalsobeusedbymanufacturersofheatexchangers,eithertoexaminetheconditionofthetubesafterinstallation,ortoestablishbaselinedataforevaluatingsubsequentperformanceoftheproductafterexposuretovariousenvironmentalconditions.Theultimatepurposeisthedetectionandevaluationofparticulartypesoftubeintegritydegradationwhichcouldresultinin-servicetubefailures.1.2Thispracticedoesnotestablishacceptancecriteria;theymustbespecifiedbytheusingparties.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationoftheCloudPointofOil
【原文标准名称】:油始凝点测定的标准试验方法
【标准号】:ASTMD5551-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D31.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:软化油;添塞混合物;皮革添料;油乳液;试验;皮革;油;软化;始凝点
【英文主题词】:cloudpoint;fatliquors;leather;oil;softeningandstuffingcompounds
【摘要】:Thistestmethodisintendedtodeterminethecloudpointofoilsusedinthesofteningandstuffingofleather,aswellasthoseusedinthemanufactureofproductsforsuchpurpose.Thecloudpointofoilsismeasuredforthepurposeofqualityassurance.1.1Thistestmethodcoversthedeterminationofthecloudpointofoilsusedinthesofteningandstuffingofleatherandinthemanufactureoffatliquorsandothersofteningandstuffingcompounds.ThistestmethodwasderivedfromTestMethodsD97andD2500.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:3P.;A4
【正文语种】: