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Norm
ÖNORM EN ISO 11114-4
Issue date: 2005 11 01
Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 4: Test methods for selecting metallic materials resistant to hydrogen embrittlement (ISO 11114-4:2005)
This part of ISO 11114 specifies test methods and the evaluation of results from these tests in order to qualify
steels suitable for use in the manufacture of gas cylind...
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Withdrawn
: 2017 08 15
Publisher:
Austrian Standards International
Format:
Digital | 24 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This part of ISO 11114 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 other embrittling
gases.
This part of ISO 11114 only applies to seamless steel gas cylinders.
The requirements of this part of ISO 11114 are not applicable if at least one of the following conditions for the
intended gas service is fulfilled 1):
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
which 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
ÖNORM EN ISO 11114-4
2005 11 01
Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part...
Norm
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Issue date :
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Transportable gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 1: Metallic materials (Corrected version 1999-07)
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Issue date :
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Issue date :
2024 01
Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials (ISO 11114-1:2020 + Amd 1:2023); German version EN ISO 11114-1:2020 + A1:2023
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)
Norm
ISO 11114-4:2005
Issue date :
2005 08 19
Transportable gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 4: Test methods for selecting metallic materials resistant to hydrogen embrittlement