【英文标准名称】:StandardPracticeforExaminationofSeamless,Gas-Filled,SteelPressureVesselsUsingAngleBeamUltrasonics
【原文标准名称】:斜束超声法检验无缝、充气钢制压力容器的标准实施规程
【标准号】:ASTME2223-2007
【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】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:斜角;光束;检验;填充的;气体;压力容器;无缝的;钢制容器;超声波学
【英文主题词】:acousticemission;angle-beam;contactexamination;couplant;crackdetection;gas-filledpressurevessels;nondestructivetesting;referencenotches;seamlesssteelpressurevessels;standardizingring;ultrasonicexamination;Acousticemission
【摘要】:Thepurposeofthispracticeistoprovideaprocedureforlocating,detectingandestimatingtherelevanceoflongitudinallyorientedcrack-likediscontinuitieswhichhavebeenpreviouslyindicatedbyAEexamination.Thispracticemaybeusedforapressurevesselthatissituatedinsuchawayastolimitaccesstothevessel''swall.Typicalexamplesincludetubetrailersandgastuberailroadcars.Sincethepressurevesselsarestackedhorizontallyinaframe,withlimitedspacebetweenthem,thecircumferentiallocationofadiscontinuitymaybeadistanceawayfromthesearchunit(severalskipdistances).Thispracticehasbeenshowntobeeffectiveforcylindersbetween9in.(229mm)and24in.(610mm)indiameterandwallthicknessesbetween1/4in.(6.4mm)to1in.(26mm)withdiscontinuitiesthatareorientedlongitudinallyinpressurevesselsidewall.Toreliablydetectdiscontinuitiesbytheprocedureinthispractice,asignificantpartofthereflectingsurfacemustbetransversetothebeamdirection.EvaluationofpossiblediscontinuityintheendfacesindicatedbyAEisnotcoveredbythispractice.1.1Thispracticedescribesacontactangle-beamshearwaveultrasonictechniquetodetectandlocatethecircumferentialpositionoflongitudinallyorienteddiscontinuitiesandtocomparetheamplitudeoftheindicationfromsuchdiscontinuitiestothatofaspecifiedreferencenotch.Thispracticedoesnotaddressexaminationofthevesselends.Thebasicprinciplesofcontactangle-beamexaminationcanbefoundinPracticeE587.Applicationtopipeandtubing,includingtheuseofnotchesforstandardization,isdescribedinPracticeE213.1.2Thispracticeisappropriatefortheultrasonicexaminationofcylindricalsectionsofgas-filled,seamless,steelpressurevesselssuchasthoseusedforthestorageandtransportationofpressurizedgasses.Itisapplicabletobothisolatedvesselsandthoseinassemblies.1.3ThepracticeisintendedtobeusedfollowinganAcousticEmission(AE)examinationofstackedseamlessgaseouspressurevessels(withlimitedsurfacescanningarea)describedinTestMethodE1419.1.4Thispracticedoesnotestablishacceptancecriteria.Thesearedeterminedbythereferencenotchdimensions,whichmustbespecifiedbytheusingparties.Note18212;BackgroundinformationrelatingtothetechnicalrequirementsofthispracticecanbefoundinthereferencessitedinTestMethodE1419,AppendixX1.1.5Dimensionalvaluesstatedinin-poundunitsareregardedasstandard;SIequivalents,inparenthesesmaybeapproximate.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J74
【国际标准分类号】:19_100
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 船用液压泵站技术条件 |
中标分类: |
船舶 >>
船舶管路附件 >>
船用液压、气动元件及附件 |
ICS分类: |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
船用发动机和推进系统
|
发布部门: | 中国船舶工业总公司 |
发布日期: | 1995-12-19 |
实施日期: | 1996-08-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 全国船用机械标准化技术委员会液压气动分技术委员会 |
归口单位: | 中国船舶工业总公司第七研究院七○四所 |
起草单位: | 中国船舶工业总公司第七研究院七○四所 |
起草人: | 高承华、沈志远 |
出版社: | 中国标准出版社 |
出版日期: | 1996-08-01 |
页数: | 7页 |
适用范围
本标准规定了船用液压泵站的技术要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于以石油基液压为工作介质的船用液压泵站的设计、制造及使用。
前言
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目录
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引用标准
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所属分类: 船舶 船舶管路附件 船用液压 气动元件及附件 造船和海上建筑物 船舶和海上建筑物综合 船用发动机和推进系统