Composition in % :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
0,95 - 1,03 |
max. 0,45 |
max. 0,40 |
max. 0,030 |
max. 0,030 |
3,80 - 4,50 |
2,50 - 2,80 |
|
|
V |
W |
Ti |
Cu |
Al |
Nb |
B |
N |
|
2,20 - 2,50 |
2,70 - 3,00 |
|
|
|
|
|
|
Range of application and heat treatment :
|
High-speed steel : metal saws , twist drills , planing
tools , milling cutter , broaches
Hardening : 1180 - 1220 °C (oil or air) Tempering
: 530 - 550 °C Soft
annealing : 760 - 790 °C |
General and distinctive features :
|