Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,35 - 0,40 |
0,30 - 0,50 |
0,30 - 0,60 |
max. 0,035 |
max. 0,035 |
4,70 - 5,20 |
2,70 - 3,30 |
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
0,40 - 0,70 |
|
|
|
|
|
|
|
Range of application and heat treatment :
|
Tool steel for hot working : high stressed tools and
steel dies
Hardening : 1030 - 1080 °C (oil or air) Soft
annealing : 800 - 840 °C |
General and distinctive features :
|