Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,47 - 0,55 |
max. 0,40 |
0,60 - 0,90 |
max. 0,035 |
max. 0,030 |
|
|
|
Range of application and heat treatment :
|
Heat treatable steel : universal machines- and vehicle
engineering
Hardening : 810 - 850 °C (oil or water) Soft
annealing : 650 - 700 °C Normalising
: 830 - 870 °C |
General and distinctive features :
|