Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,77 - 0,85 |
max. 0,25 |
max. 0,35 |
max. 0,035 |
max. 0,035 |
3,75 - 4,25 |
4,00 - 4,50 |
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
0,90 - 1,10 |
|
|
|
|
|
|
|
Range of application and heat treatment :
|
Tool steel for cold working : cutting- and punching dies
, cold rools , cold extrusion tools
Hardening : 1070 - 1100 °C (oil) Soft
annealing : 800 - 840 °C |
General and distinctive features :
|