I.S. EN 10222-4:1999被替代
Steel Forgings For Pressure Purposes - Weldable Fine Grain Steels With High Proof Strength
出版：National Standards Authority of Ireland
专家解读视频
Details the technical delivery conditions of the types of forgings for pressure purposes; made of weldable fine-grain steels with high proof strength.
SN EN 10222-4:1999 - Identical
BS EN 10222-4:1999 - Identical
NEN EN 10222-4:1998 - Identical
SS EN 10222-4:1999 - Identical
UNE EN 10222-4:1999 - Identical
NS EN 10222-4:1999 - Identical
NF EN 10222-4:1999 - Identical
NBN EN 10222-4:1999 - Identical
UNI EN 10222-4:2001 - Identical
ONORM EN 10222-4:1999 - Identical
DIN EN 10222-4 (2001-12) - Identical
EN 10222-4:2017 - Identical
