EN ISO 9809-4:2022
Current
The latest, up-to-date edition.
Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 4: Stainless steel cylinders with an Rm value of less than 1 100 MPa (ISO 9809-4:2021)
14-12-2022
This document specifies the minimum requirements for the materials, design, construction and workmanship, manufacturing processes, examinations and testing at time of manufacture for refillable, seamless, stainless steel gas cylinders with water capacities up to and including 150l.It is applicable to cylinders for compressed, liquefied and dissolved gases with a maximum actual tensile strength, Rma, of less than 1100MPa.NOTE If so desired, cylinders of water capacity between 150l and 450l can be manufactured to be in full conformance to this document.
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