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BS EN ISO 9809-1:2019
Gas cylinders. Design, construction and testing of refillable seamless steel gas cylinders and tubes Quenched and tempered steel cylinders and tubes with tensile strength less than 1 100 MPa (British Standard)
This document specifies minimum requirements for the material, design, construction and workmanship, manufacturing processes, examination and testing at time of manufacture for refillable seamless steel gas cylinders and tubes with water capacities up to and including 450 l.
It is applicable to cylinders and tubes for compressed, liquefied and dissolved gases and for quenched and tempered steel cylinders and tubes with a maximum actual tensile strength Rma of less than 1 100 MPa.
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British Standards Institution [bsi]
British Standards Institution [bsi]