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AS/NZS ISO 11114.4:2025 Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents Test methods for selecting steels resistant to hydrogen embrittlement
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AS/NZS ISO 11114.4:2025 identically adopts ISO 11114-4:2017, which 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.