Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,12 - 0,18 |
0,15 - 0,35 |
0,25 - 0,50 |
max. 0,045 |
max. 0,045 |
|
|
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
Pb |
|
|
|
|
|
|
|
|
0,15 - 0,30 |
Range of application and heat treatment :
|
Cementation steel / Free-cutting steel : for structural- and machine components
- gear wheels , links , boxes , lever
Hardening : 880 - 920 °C (water) Soft annealing
: 650 - 700 °C |
General and distinctive features :
|