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ISO 9809-4:2026

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

Feb 23, 2026

General information

60.60     Feb 23, 2026

ISO

ISO/TC 58/SC 3

International Standard

23.020.35  

English   French  

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Published

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9809-4:2021

NOW

PUBLISHED
ISO 9809-4:2026
60.60 Standard published
Feb 23, 2026

National adoptions

dnaSRPS EN ISO 9809-4:2023  
ISS

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 (ISO 9809-4:2026)

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