Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
1,15 - 1,25 |
0,15 - 0,30 |
0,20 - 0,35 |
max. 0,035 |
max. 0,035 |
0,15 - 0,25 |
|
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
0,07 - 0,12 |
0,90 - 1,10 |
|
|
|
|
|
|
Range of application and heat treatment :
|
Tool steel for cold working : screw cutting tools , twist
drills , piercing mandrel , milling cutter , mandrels
Hardening : 780 - 820 °C (water or oil) Soft
annealing : 700 - 720 °C |
General and distinctive features :
|