【英文标准名称】:StandardPracticeforEvaluationofDisbondingofBimetallicStainlessAlloy/SteelPlateforUseinHigh-Pressure,High-TemperatureRefineryHydrogenService
【原文标准名称】:高压、高温精炼氢设备中使用的双金属不锈合金/钢板材非连接性评定的标准实施规程
【标准号】:ASTMG146-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:G01.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:autoclave;disbonding;highpressure;hightemperature;hydrogen;hydroprocessing;metallography;refining;ultrasonictesting
【摘要】:Thispracticeprovidesanindicationoftheresistanceorsusceptibility,orboth,toHIDofametallurgicallybondedstainlessalloysurfacelayeronasteelsubstrateduetoexposuretohydrogen-containinggaseousenvironmentsunderHP/HTconditions.Thispracticeisapplicableoverabroadrangeofpressures,temperatures,coolingrates,andgaseoushydrogenenvironmentswhereHIDcouldbeasignificantproblem.Theseprocedurescanbeusedtoassesstheeffectsofmaterialcomposition,processingmethods,fabricationtechniques,andheattreatmentaswellastheeffectsofhydrogenpartialpressure,servicetemperature,andcoolingrate.TheHIDproducedbytheseproceduresmaynotcorrelatedirectlywithserviceexperienceforparticularapplications.Additionally,thispracticedoesnotaddresstheevaluationofhigh-temperaturehydrogenattackinthesteelsubstrate.Typically,longerexposuretimesatthetestconditionsmustbeutilizedtoallowfortheresistancetodecarburization,internalblisteringorcracking,orboth,tobeevaluated.1.1Thispracticecoversaprocedurefortheevaluationofdisbondingofbimetallicstainlessalloy/steelplateforuseinrefineryhigh-pressure/high-temperature(HP/HT)gaseoushydrogenservice.Itincludesproceduresto(1)producesuitablelaboratorytestspecimens,(2)obtainhydrogenchargingconditionsinthelaboratorythataresimilartothosefoundinrefineryHP/HThydrogengasserviceforevaluationofbimetallicspecimensexposedtotheseenvironments,and(3)performanalysisofthetestdata.Thepurposeofthispracticeistoallowforcomparisonofdataamongtestlaboratoriesontheresistanceofbimetallicstainlessalloy/steelstohydrogen-induceddisbonding(HID).1.2Thispracticeappliesprimarilytobimetallicproductsfabricatedbyweldoverlayofstainlessalloyontoasteelsubstrate.Mostoftheinformationdevelopedusingthispracticehasbeenobtainedforsuchmaterials.Theproceduresdescribedherein,mayalsobeappropriateforevaluationofhotrollbonded,explosivebonded,orothersuitableprocessesforapplyingstainlessalloysonsteelsubstrates.However,duetothebroadrangeofpossiblematerials,testconditions,andvariationsintestprocedures,itisuptotheuserofthispracticetodeterminethesuitabilityandapplicabilityoftheseproceduresforevaluationofsuchmaterials.1.3ThispracticeisintendedtobeapplicableforevaluationofmaterialsforserviceconditionsinvolvingseverehydrogenchargingwhichmayproduceHIDasshowninFig.1forstainlesssteelweldoverlayonsteelequipment(seeRefs1and2inAppendixX1).However,itshouldbenotedthatthispracticemaynotbeappropriateforformsofbimetallicconstructionorserviceconditionswhichhavenotbeenobservedtocauseHIDinservice.1.4Additionalinformationregardingtheevaluationofbimetallicstainlessalloy/steelplateforHID,testmethodologies,andtheeffectsoftestconditions,materials,andweldingvariables,andinspectiontechniquesisgiveninAppendixX1.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection6foradditionalsafetyinformation.
【中国标准分类号】:H40
【国际标准分类号】:77_140_20
【页数】:6P.;A4
【正文语种】: