UNI EN ISO 7866 : 2012

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Inspection and testing
6 Materials
7 Design
8 Construction and workmanship
9 Type approval procedure
10 Batch tests
11 Gas cylinder tests and examinations
12 Certification
13 Marking
Annex A (normative) - Corrosion tests
Annex B (normative) - Test method to determine the
        sustained-load cracking resistance of
        aluminium alloy gas cylinders
Annex C (informative) - Typical type approval certificate
Annex D (informative) - Acceptance certificate
Annex E (normative) - Specific requirements for gas
        cylinders made of high-strength and/or
        low-elongation aluminium alloy
Annex F (informative) - Description and evaluation of
        manufacturing surface imperfections and conditions
        for rejection of seamless aluminium alloy gas
        cylinders at time of product acceptance
Annex G (normative) - Batch size
Annex H (normative) - Specific provisions for acetylene
        cylinder shells
Bibliography

Defines minimum requirements for the material, design, construction and workmanship, manufacturing processes and tests at time of manufacture of refillable seamless aluminium alloy gas cylinders of water capacities up to and including 150 litres for compressed, liquefied and dissolved gases for worldwide use (normally up to +65 degrees C).