无损检测工艺规程(对接焊缝射线).doc

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1、NJBSTCo.,Ltd.QCD-012Rev.:0Page:1of17Title:RADIOGRAPHICEXAMINATIONPROCEDUREFORBUTTWELDSRADIOGRAPHICEXAMINATIONPROCEDUREFORBUTTWELDS对接焊缝射线检测工艺规程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批准：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本工艺规程适用于按ASME规范第Ⅷ卷第Ⅰ册要求制造的压力容器的对接焊缝的x射线照相检测。

7、1.2必要时，本工艺规程应由探伤作业指导书进行补充以规定更详细的变量，此指导书由NDEⅢ级人员编制。2.检测人员资格2.1从事射线探伤的检测人员必须按南京宝色钛业有限公司的<>(文件号：QCD-011)进行资格考核评定。2.2NDEⅠ级须接受合格的Ⅱ级或Ⅲ级必要的指导或监督。NDEⅡ级须接受NDEⅢ级的指导或监督。2.3根据各自的职责范围，所有检测人员应按ASME规范有关卷，标准和作业指导书进行检测并保证工作质量。3.设备、器材Ⅱ级人员所选用的设备、器材应能保证符合

8、下列条件和探伤作业指导书的要求。3.1X射线设备应从表1中选用。TypeMfr.Max.TubeVoltabe(KVp)Max.TubeCurrent(mA)Foc.Size(mm)Permittedmax.materialthick(mm)SteelTiZrxx-2505Beijing25052x2386322xx-3005Dandong30051.0x2.346702