Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,90 - 1,05 |
0,20 - 0,40 |
0,40 - 0,70 |
max. 0,035 |
max. 0,035 |
4,80 - 5,50 |
0,90 - 1,20 |
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
0,10 - 0,30 |
|
|
|
|
|
|
|
Range of application and heat treatment :
|
Tool steel for cold working : punching tools , thread
rolling tools , trimming tools
Hardening : 930 - 970 °C (oil or air) Soft
annealing : 800 - 840 °C |
General and distinctive features :
|