CGA C 3 : 2005(R2011)

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)

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.