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【英文标准名称】:StandardPracticeforExaminationofLiquid-FilledAtmosphericandLow-PressureMetalStorageTanksUsingAcousticEmission
【原文标准名称】:用声发射检验充液气压和低压金属贮油罐的标准实施规程
【标准号】:ASTME1930-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E07.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:声学测量;储存;罐;水箱;试验方法
【英文主题词】:acousticemission;metalstoragetanks;abovegroundstoragetanks
【摘要】:1.1Thispracticecoversguidelinesforacousticemission(AE)examinationsofnewandin-serviceabovegroundstoragetanksofthetypeusedforstorageofliquids.1.2Thispracticewilldetectacousticemissioninareasofsensorcoveragethatarestressedduringthecourseoftheexamination.Forflat-bottomtankstheseareaswillgenerallyincludethesidewalls(androofifpressureisappliedabovetheliquidlevel).Theexaminationmaynotdetectflawsonthebottomofflat-bottomtanksunlesssensorsarelocatedonthebottom.1.3Thispracticemayrequirethatthetankexperiencealoadthatisgreaterthanthatencounteredinnormaluse.Thenormalcontentsofthetankcanusuallybeusedforapplyingthisload.1.4Thispracticeisnotvalidfortanksthatwillbeoperatedatapressuregreaterthantheexaminationpressure.1.5Itisnotnecessarytodrainorcleanthetankbeforeperformingthisexamination.1.6Thispracticeappliestotanksmadeofcarbonsteel,stainlesssteel,aluminumandothermetals.1.7Thispracticemayalsodetectdefectsintanklinings(forexample,high-bulk,phenolicsandotherbrittlematerials).1.8AEmeasurementsareusedtodetectandlocalizeemissionsources.OtherNDTmethodsmaybeusedtoconfirmthenatureandsignificanceoftheAEindications(s).ProceduresforotherNDTtechniquesarebeyondthescopeofthispractice.1.9Examinationliquidmustbeaboveitsfreezingtemperatureandbelowitsboilingtemperature.1.10Superimposedinternalorexternalpressuresmustnotexceeddesignpressure.1.11Leaksmaybefoundduringthecourseofthisexaminationbuttheirdetectionisnottheintentionofthispractice.1.12Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.13Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8.
【中国标准分类号】:A82
【国际标准分类号】:23_020_10
【页数】:11P.;A4
【正文语种】: