Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,32 - 0,38 |
0,15 - 0,30 |
0,40 - 0,60 |
max. 0,035 |
max. 0,035 |
1,20 - 1,50 |
0,20 - 0,40 |
3,80 - 4,30 |
Range of application and heat treatment :
|
Tool steel for hot working : pressing and forging dies
, rams , upsetting tools
Hardening : 820 - 850 °C (oil or air) Soft
annealing : 620 - 660 °C |
General and distinctive features :
|