Publication
ISO-11114-4: Transportable gas cylinders—Compatibility of cylinder & valve materials with gas contents—Part 4:Test methods for selecting steels resistant to H2 embrittlement
This document only applies to seamless steel gas cylinders.
The requirements of this document are not applicable if at least one of the following conditions for the intended gas service is fulfilled:
— the working pressure of the filled embrittling gas is less than 20 % of the test pressure of the cylinder;
— the partial pressure of the filled embrittling gas of a gas mixture is less than 5 MPa (50 bar) in the case of hydrogen and other embrittling gases, with the exception of hydrogen sulphide and methyl mercaptan; in such cases, the partial pressure shall not exceed 0,25 MPa (2,5 bar).
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Edition:
2
Published:
April 2017
Status:
Available To the Public
Size:
18 pages
Publisher:
ISO
Special Attributes:
Notes:
CGA is no longer selling ISO Docs, go to ANSI at https://webstore.ansi.org/default.aspx
Committee:
U.S. TAG for ISO/TC 58, Gas cylinders
Category
ISO     ISO
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