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Norm
ÖNORM EN ISO 11114-4
Issue date: 2017 08 15
Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 4: Test methods for selecting steels resistant to hydrogen embrittlement (ISO 11114-4:2017)
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...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 25 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
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 3 000 l) 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 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).
ÖNORM EN ISO 11114-4
2017 08 15
Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part...
Norm
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ÖNORM EN ISO 11114-4
2005 11 01
Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part...
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Transportable gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 4: Test methods for selecting steels resistant to hydrogen embrittlement
