I.S. EN ISO 11114-4:2017現行
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)
出版：National Standards Authority of Ireland
專家解讀視頻
Defines 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 3000 l) for hydrogen and hydrogen bearing embrittling gases.
ONORM EN ISO 11114-4:2017 - Identical
SS EN ISO 11114-4 Ed. 2 (2017) - Identical
NEN EN ISO 11114-4:2017 - Identical
EN ISO 11114-4:2017 - Identical
UNE EN ISO 11114-4:2017 - Identical
BS EN ISO 11114-4:2017 - Identical
NF EN ISO 11114-4:2017 - Identical
UNI EN ISO 11114-4:2017 - Identical
NS EN ISO 11114-4:2017 - Identical
UNE EN ISO 11114-4:2006 - Identical
