Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,55 - 0,63 |
1,70 - 2,00 |
0,60 - 0,90 |
max. 0,035 |
max. 0,035 |
0,35 - 0,45 |
|
|
Range of application and heat treatment :
|
Tool steel for cold working : lathe chuck , milling drifts
, screwdriver
Hardening : 840 - 850 °C (oil) Soft
annealing : 700 - 720 °C |
General and distinctive features :
|