BS EN ISO 11114-4:2017
Current
The latest, up-to-date edition.
Transportable gas cylinders. Compatibility of cylinder and valve materials with gas contents Test methods for selecting steels resistant to hydrogen embrittlement
Hardcopy , PDF
English
20-06-2017
Important note : Users cannot be edited or removed once added to your Multi user PDF.| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This document specifies test methods and the evaluation of results from these tests in order to qualify steels suitable for use in the manufacture of gas cylinders (up to 3000l) for hydrogen and hydrogen bearing embrittling gases.
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 5MPa (50bar) 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 0,25MPa (2,5bar).
NOTE In such cases, it is possible to design the cylinder as for ordinary (non-embrittling) gases.
| Standards | Relationship |
| ISO 11114-4:2017 | Identical |
| EN ISO 11114-4:2017 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.