Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,36 - 0,42 |
0,90 - 1,20 |
0,30 - 0,50 |
max. 0,030 |
max. 0,030 |
4,80 - 5,50 |
1,10 - 1,40 |
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
0,25 - 0,50 |
|
|
|
|
|
|
|
Range of application and heat treatment :
|
Tool steel for hot working : pressure pouring molds ,
metal extrusion pressing tools
Hardening : 1010 - 1030 °C (oil or air) Soft
annealing : 760 - 780 °C |
General and distinctive features :
|