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焊缝超声波检验规程.doc

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******Co.,Ltd.焊缝检查规程6Rev.:0Page:1of9Title:ULTRASONICEXAMINATIONPROCEDUREULTRASONICEXAMINATIONPROCEDURE超声波检验工艺规程CONTROLLED在控本□UNCONTROLLED非在控本□COPYNO副本编号：PREPAREDBY编制：DATE日期：REVIEWEDBY审核：DATE日期：APPROVEDBY同意：DATE日期：更多免费资料下载请进：http://www.55top.com好好学习小区******Co.,Ltd.焊缝检查规程6Rev.:0Page:2of9Title:ULTRASONICEXAMINATIONPROCEDUREDEMONSTRATIONCERTIFICATIONIherebycertifythatthisprocedurehasbeendemonstratedonatestspecimenwithknowndefectstothesatisfactionoftheAuthorizedInspectoraccordingtotheASMECodeSectionV,T-150asrequiredbySectionⅧDiv.1.UW-53andAppendix12.TestSpecimenNo.:Demo.ReportNo.:NDELevelⅢ:AI:******Co.,Ltd.焊缝检查规程6Rev.:0Page:3of9Title:ULTRASONICEXAMINATIONPROCEDURE1.SCOPEOFAPPLICATIONThisprocedureiscompiledinaccordancewiththerequirementsofASMECodeSectionVandSectionⅧDivision1.1.2Inaccordancewiththisprocedureapulse-echotypeofultrasonicinstrumentshallbeusedforCodeproductexamination.Singleprobe,anglebeamscanningshallbetheprincipalmethod,ifnecessary,straightbeamscanningmayalsobeused.1.3Thisprocedureisapplicableforultrasonicexaminationofbutt-welded,fullpenetratedjointinwrought(rolled,drawn,forgedorextruded)materialwiththicknessequaltoorgreaterthan5/16in.(8mm)detecting,locatingandevaluatingthereflectorsfromtheweldmetal,heataffectedzoneandbasemetaladjacenttheweld.1.4Ultrasonicexaminationofsinglesideweldedpartialpenetratedweldsandausteniticsteelweldsarenotconsideredtobewithinthescopeofthisprocedure.1.5Unlessotherprocedurehasbeenapprovedandacceptedthatmayspecifyparticularrequirements,ultrasonicexaminationrelatingtomethod,evaluation,anddetailedtechniqueandrequirementshallbeinaccordancewiththisprocedure.2.NDEPERSONNEL2.1NDEpersonnelshallbequalifiedandcertifiedaccordingto******’SWrittenPracticeQCD-011basedonSNT–TC-IA(CurrentCodeAcceptedEdition).3.GENERALEXAMINATIONREQUIREMENTS3.1ExaminationcoverageThevolumeshallbeexaminedbymovingthesearchunitovertheexaminationsurfacesoastoscantheentireexaminationvolume.Eachpassofthesearchunitshalloverlapaminimumof10%ofthetransducer(piezo-electriceleme