Gas cylinders. Design, construction and testing of refillable seamless steel gas cylinders and tubes. Quenched and tempered steel cylinders and tubes with tensile strength greater than or equal to 1 100 MPa
23.020.35 - Gas cylinders
EN ISO 9809-2
Reemplaza a: BS EN ISO 9809-2:2010
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 450Â l.
it is applicable to cylinders and tubes for compressed,
liquefied and dissolved gases and for quenched and tempered steel
cylinders and tubes with an actual tensile strength RmaÂ â‰¥Â 1Â 100Â MPa.
It is not applicable to cylinders and tubes with Rma,Â maxÂ >Â 1Â 300Â MPa for diameters >140Â mm
and guaranteed wall thicknesses aâ€²Â â‰¥Â 12Â mm and for cylinders and tubes with Rma,Â maxÂ >Â 1Â 400Â MPa for diameters â‰¤140Â mm
and guaranteed wall thicknesses aâ€²Â â‰¥Â 6Â mm because, beyond these limits, additional
requirements can apply.
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