
Steel forgings for pressure purposes Part 4: Weldable fine grain steels with high proof strength
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
SN EN 10222-4:2017 - Identical
ONORM EN 10222-4:2017 - Identical
NF EN 10222-4:2017 - Identical
NS EN 10222-4:2017 - Identical
UNE EN 10222-4:2017 - Identical