Performance Characteristics:
1. It is a high speed steel; it has high hardness, red hardness
and high temperature hardness;
2. Wide range of heat treatment temperature;
3. Not early overheated when quenching;
4. Easy to grinding.
Applications:
Mainly used for the manufacture of high-speed cutting lathe tool, drill, cutter, reamer and other tools. also for the produce of dies, reamer drawing dies, saw blades and so on.
Chemical Composition (%):
|
C
|
Si
|
Mn
|
W
|
Mo
|
Cr
|
V
|
|
0.70-0.80
|
0.20-0.40
|
0.10-0.40
|
17.50-19.00
|
≤0.30
|
3.80-4.40
|
1.00-1.40
|