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1、NJBSTCo.,Ltd.QCD-012Rev.:0Page:1of17Title:RADIOGRAPHICEXAMINATIONPROCEDUREFORBUTTWELDSRADIOGRAPHICEXAMINATIONPROCEDUREFORBUTTWELDS對接焊縫射線檢測工藝規(guī)程CONTROLLED在控本□UNCONTROLLED非在控本□COPYNO副本編號：PREPAREDBY編制：DATE日期：REVIEWEDBY審核：DATE日期：APPROVEDBY批準：DATE日期：NJBSTCo.,Ltd.QC
2、D-012Rev.:0Page:2of17Title:RADIOGRAPHICEXAMINATIONPROCEDUREFORBUTTWELDS1.General1.1Thisprocedureisappliedtothex-rayradiographicexaminationofbuttweldsforpressurevesselsconstructedinaccordancewithASMECodeSectionⅧDiv1.1.2Thisprocedureshallbesupplemented,whennece
3、ssary,withtheexaminationinstructionsdefiningmorespecificvariables,whichwillbepreparedbyNDELevelⅢpersonnel.2.QualificationofExaminationPersonnel2.1AnypersonengagedintheradiographicexaminationshallbequalifiedandcertifiedasaradiographicexaminerinaccordancewithNJ
4、BSTCo.,Ltd.’s“WrittenPracticeforNDEPersonnelTraining,Examination,QualificationandCertification”(NO.:QCD-011).2.2TheNDELevelⅠshallreceivethenecessaryinstructionorsupervisionfromacertifiedNDELevelⅡorLevelⅢExaminer.TheNDELevelⅡshallreceivetheinstructionorsupervi
5、sionfromaNDELevelⅢExaminer.2.3Accordingtotherespectiveresponsibilityrange,allexaminersshallcompletetheexaminationconformingtothereferencingASMECodeSections,standardsandwritteninstructions.Theyshallassuretheworkingquality.3.Equipment,ToolsandMaterialsTheLevelⅡ
6、Examinershallselecttheequipment,toolsandmaterialstoassurethattheyareincompliancewiththefollowingconditionsandtherequirementoftheexaminationinstruction.3.1Oneofthex-rayequipmentshallbeselectedfromTable1.Table11.概述1.1本工藝規(guī)程適用于按ASME規(guī)范第Ⅷ卷第Ⅰ冊要求制造的壓力容器的對接焊縫的x射線照相檢測。
7、1.2必要時，本工藝規(guī)程應由探傷作業(yè)指導書進行補充以規(guī)定更詳細的變量，此指導書由NDEⅢ級人員編制。2.檢測人員資格2.1從事射線探傷的檢測人員必須按南京寶色鈦業(yè)有限公司的<>(文件號：QCD-011)進行資格考核評定。2.2NDEⅠ級須接受合格的Ⅱ級或Ⅲ級必要的指導或監(jiān)督。NDEⅡ級須接受NDEⅢ級的指導或監(jiān)督。2.3根據各自的職責范圍，所有檢測人員應按ASME規(guī)范有關卷，標準和作業(yè)指導書進行檢測并保證工作質量。3.設備、器材Ⅱ級人員所選用的設備、器材應能保證符合
8、下列條件和探傷作業(yè)指導書的要求。3.1X射線設備應從表1中選用。TypeMfr.Max.TubeVoltabe(KVp)Max.TubeCurrent(mA)Foc.Size(mm)Permittedmax.materialthick(mm)SteelTiZrxx-2505Beijing25052x2386322xx-3005Dandong30051.0x2.346702
