Gas cylinders. Refillable welded stainless steel cylinders - Test pressure 6 MPa and below shop-only 700 | ISO/IEC 7498-4) and

700 | ISO/IEC 7498-4) and the Systems Management Overview (seeITU-T Rec

– prescribe test methods

Tests and requirements

12 Servicing and maintenance

Gas cylinders. Refillable welded stainless steel cylinders - Test pressure 6 MPa and below shop-only 700 | ISO/IEC 7498-4) and1 Scope This part of ISO 18172 specifies minimum requirements concerning material, design, construction and workmanship, manufacturing processes and testing of refillable transportable welded stainless steel gas cylinders, of water capacities from 0,5 l up to and including 500 l, for compressed, liquefied and dissolved gases. This part of ISO 18172 is applicable only to cylinders manufactured from stainless steels with test pressures up to 6 MPa (60