Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,42 - 0,50 |
max. 0,40 |
0,50 - 0,80 |
max. 0,035 |
max. 0,030 |
|
|
|
Range of application and heat treatment :
|
Heat treatable steel / Structural steel : components
for middle strain - higher purity degree requirements
Hardening : 820 - 860 °C (oil or water) Soft
annealing : 650 - 700 °C Normalising
: 840 - 880 °C |
General and distinctive features :
|