• CGA C 3 : 2005(R2011)

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    STANDARDS FOR WELDING ON THIN-WALLED, STEEL CYLINDERS

    Available format(s): 

    Superseded date:  04-06-2019

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Compressed Gas Association

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    Table of Contents - (Show below) - (Hide below)

    1 Introduction
    2 Scope
       2.1 Procedure qualification
       2.2 Operator qualification
       2.3 Container production acceptance
       2.4 Radiographic inspection
    3 Procedure qualification
       3.1 Applicability
       3.2 Procedure specification
       3.3 Welding procedures
       3.4 Base material
       3.5 Positions of welds
       3.6 Type, number, and method of preparation of test
            specimens
       3.7 Methods of testing specimens and acceptable test
            results
       3.8 Records
       3.9 Essential variables
    4 Operator qualification
       4.1 Applicability
       4.2 Welding procedures
       4.3 Base material
       4.4 Positions of welds
       4.5 Type, number, and method of preparation of test
            specimens
       4.6 Methods of testing specimens and acceptable test
            results
       4.7 Retests
       4.8 Period of effectiveness
       4.9 Records
       4.10 Essential variables
    5 Container production acceptance
       5.1 Location of details for required tests
       5.2 Production lots
       5.3 Radiographic examination
    6 Radiographic inspection
       6.1 Applicability
       6.2 Preparation
       6.3 Terminology
       6.4 Darkroom facilities
       6.5 Film viewing facilities
       6.6 Film processing
       6.7 Penetrameters
       6.8 Film identification and inspection data
       6.9 Selection of technique
       6.10 Limits of acceptability
       6.11 Retests
       6.12 Retention of radiographs
    7 Container repair-applicability
    8 Test methods
       8.1 The positions of welds
       8.2 Tension test (transverse to weld)
       8.3 Flattening test (on cylindrical section)
       8.4 Flattening test (on sphere)
       8.5 Root-break test
       8.6 Macro-etch test-method of preparation and
            sectioning
       8.7 Guided-bend test
    9 Assignment of electrodes
    10 References
    Tables
    Figures
    Appendices
      Appendix A - Recommended form for procedure qualification
                   record (Informative)
      Appendix B - Recommended form of welding procedure
                   specification (Informative)
      Appendix C - Recommended form for manufacturer's record of
                   welder or welding operator qualification tests
                   (Informative)
      Appendix D - Dimensional tolerances (Normative)
      Appendix E - Typical weld joints (Informative)

    Abstract - (Show below) - (Hide below)

    Defines information on welding process qualification, welding operator qualifications, tensile testing, bend testing and radiographic inspection. Also clarifies dimensional tolerances and when weld macro etch can be used for weld process approval and welder qualification approval.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Compressed Gas Association
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    B339-14 Cylinders, spheres, and tubes for the transportation of dangerous goods
    CGA C 11 : 2013 PRACTICES FOR INSPECTION OF COMPRESSED GAS CYLINDERS AT TIME OF MANUFACTURE
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