BS 5045-2:1989

Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 Manufacture and testing of containers
3 Classification of gases
4 Information to be supplied by the purchaser and the
    manufacturer
5 Certificate of compliance
Section two. Permissible materials
6 Materials for pressure parts
7 Material for attachments
Section three. Design
8 Service conditions for design
9 Classification of containers
10 Design of container shell
11 Openings and branch connections
12 Fittings
Section four. Manufacture and workmanship
13 Approval of design and construction details
14 Tolerances
15 Welds
16 Heat treatment
Section five. Inspection and tests
17 Inspection of components
18 Test requirements
19 Mechanical tests
20 Hydraulic tests
21 Hydraulic bursting test
22 Checking of water capacity
23 Tightness test
24 Prototype fatigue tests
25 Radiographic examination of welds
26 Repair of welds
27 Results of mechanical and pressure tests
28 Final internal inspection
Section six. Marking of containers
29 Information to be marked
30 Method of marking
Appendices
A Hydraulic proof pressure test
B Hydraulic volumetric expansion test
C Example of design procedure
D Specimen certificate of compliance for welded steel
    gas containers
Tables
1 Classification of gases
2 Permissible materials
3 Permissible deviations on product analysis
4 Reference temperatures for developed pressure for
    conveyance in the UK in uninsulated containers
5 Classification and construction criteria
6 Stress reduction factors for walls of cylindrical
    or spherical containers
7 Formulae for deriving minimum values of test
    pressure
8 Ratio n between the diameter of the former and the
    thickness of the bend test specimen
9 K factors for the compressibility of water
Figures
1 Shape factor K
2 Domed ends
3 Location of test specimens in a container
4 Reduced section tensile test specimen
5 Nick-break test specimen
6 Example of hydraulic proof pressure test equipment
7 Water jacket volumetric expansion test (levelling
    burette)
8 Water jacket volumetric expansion test (fixed
    burette)
9 Non-water jacket volumetric expansion test

Materials, design, construction and testing of new containers intended for the conveyancing by road of permanent, liquefiable and dissolved gases under pressure. Applies to containers made by a mechanised arc welding process.