2021/8001/TR
EC/EFTA
Turquie - X50M - Acier
2021-04-15
2021-01-15
TS EN ISO 4957 “Tool Steels” standard
TS EN ISO 4957 “Tool Steels” standard
This standard specifies the requirements for the following grades of wrought tool steels:
a) Unalloyed cold-worked tool steels
b) Alloyed cold-worked tool steels
c) Alloyed hot-worked tool steels
d) High-speed tool steels.