RS ISO 11114-1
Gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 1: Metallic materials


This document provides requirements for the selection of safe combinations of metallic cylinder and
valve materials and cylinder gas content.
The compatibility data given is related to single gases and to gas mixtures.
Seamless metallic, welded metallic and composite gas cylinders and their valves, used to contain
compressed, liquefied and dissolved gases are considered.
NOTE In this document the term “cylinder” refers to transportable pressure receptacles, which also include
tubes and pressure drums.
Aspects such as the quality of delivered gas product are not considered.

General Information

RS ISO 11114-1ADOPTED ISO STANDARDSFluid systems and components for general use57Third Edition
Feb 2021
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