Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 References
3 Manufacture and testing of containers
4 Classification of gases
5 Information to be supplied by the purchaser and the
    manufacturer
6 Certificate of compliance
Section two. Permissible materials
7 General
8 Chemical composition
9 Steelmaker's certificate
10 Identification of steel
Section three. Design
11 Service conditions for design
12 Design formulae
13 Fittings
Section four. Manufacture and workmanship
14 Approval of design and construction details
15 Permissible processes
16 Heat treatment
17 Tolerances
Section five. Inspection and tests
18 General
19 Hardness tests
20 Mechanical tests
21 Examination for thickness, surface imperfections and
    neck folds
22 Hydraulic tests
23 Re-heat treatment
24 Tightness test
25 Ultrasonic examination of large containers
26 Testing of prototype containers
27 Checking of water capacity
28 Results of tests
29 Marking of containers
Appendices
A Volumetric expansion testing of seamless containers
B Ultrasonic defect detection and thickness
    measurement
C Examples of design calculations for cylindrical
    walls of seamless containers
D Specimen certificates
E Containers for use in hydrogen trailer service
Tables
1 Classification of gases
2 Steelmaking process and chemical composition of
    permissible materials
3 Heat treatment and mechanical properties of steel in
    finished containers
4 Permissible deviation on product analysis from
    specified range for carbon and carbon manganese
    steels
5 Permissible deviation on product analysis from
    specified range for alloy steels
6 Reference temperatures for developed pressure for
    conveyance in the UK in uninsulated containers
7 Reference temperatures for filling ratio for low
    pressure liquefiable gases in the UK in uninsulated
    containers
8 Formulae for deriving minimum values of test
    pressure P1
9 Design stresses for permissible steels
10 K factors for the compressibility of water
Figures
1 Hardness numbers related to tensile strengths
2 Cylinder neck folds before and after machining
3 Water jacket volumetric expansion test (levelling
    burette)
4 Water jacket volumetric expansion test (fixed
    burette)
5 Non-water jacket volumetric expansion test
6 Diagram for deriving minimum values of test pressure
    P1