Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
   3.1 Terms and definitions
   3.2 Symbols
4 Materials and heat treatment
   4.1 General
   4.2 Categories
   4.3 Heat treatment
   4.4 Test requirements
5 Design
   5.1 General requirements
   5.2 Calculation of cylindrical shell wall thickness
   5.3 Design of convex ends
   5.4 Minimum wall thickness
   5.5 Ends of other shapes
   5.6 Design of openings
6 Construction and workmanship
   6.1 General
   6.2 Welding procedures
   6.3 Cryoforming procedure
   6.4 Welded joints of pressure-containing parts
   6.5 Non-pressure-containing attachments
   6.6 Valve protection
   6.7 Neck threads
   6.8 Visual examination
7 New design tests
   7.1 General requirements
   7.2 Verifications and tests
   7.3 Descriptions of tests
   7.4 Design testing certificate
8 Batch tests
   8.1 General
   8.2 Information
   8.3 Tensile test
   8.4 Bend test
   8.5 Macroscopic examination of weld cross-sections
   8.6 Checks and verifications
9 Tests on every cylinder
   9.1 Pressure test
   9.2 Hardness test
   9.3 Leakage test
10 Failure to meet test requirements
11 Markings
12 Certificate
Annex A (normative) Radiographic examination of welds
Annex B (normative) Description and evaluation of
        manufacturing defects and conditions for rejection
        of welded stainless steel gas cylinders at time
        of visual inspection
Annex C (informative) Examples of design and batch testing
        certificates
Annex D (normative) Manufacturer's markings for LPG
Bibliography