Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,69 - 0,74 |
1,10 - 1,30 |
0,45 - 0,55 |
max. 0,025 |
max. 0,025 |
0,45 - 0,65 |
0,50 - 0,60 |
1,05 - 1,25 |
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
0,18 - 0,25 |
|
|
|
|
|
|
|
Range of application and heat treatment :
|
Tool steel for cold working : screwdriver blades for
tools
Hardening : 840 - 860 °C (oil) Soft
annealing : 680 - 720 °C |
General and distinctive features :
|