Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,37 - 0,43 |
0,90 - 1,20 |
0,30 - 0,50 |
max. 0,030 |
max. 0,030 |
4,80 - 5,50 |
1,20 - 1,50 |
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
0,90 - 1,10 |
|
|
|
|
|
|
|
Range of application and heat treatment :
|
Tool steel for hot working : metal extrusion pressing
tools , pressure pouring molds
Hardening : 1020 - 1050 °C (oil or air) Soft
annealing : 750 - 780 °C |
General and distinctive features :
|