ISO 9809-4:2021 PDF
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Gas cylinders — Design, construction and testing of refillable seamless steel gas cylinders and tubes — Part 4: Stainless steel cylinders with an R m value of less than 1 100 MPa
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 150?l.
It is applicable to cylinders for compressed, liquefied and dissolved gases with a maximum actual tensile strength, Rma, of less than 1?100?MPa.
NOTE???????? If so desired, cylinders of water capacity between 150?l and 450?l can be manufactured to be in full conformance to this document.
| Edition | 2021 |
|---|---|
| Standard Part No | 4 |
| Published Date | 2021 |
| Published By | International Standardization Organisation |
| Page Count | 54 |
