Material Notes:
Used in high speed tool and cutting applications such as drills, milling processes, reamers, etc. Mo content promotes toughness, but requires more precise hardening conditions and caution about overheating.
| Component Elements Properties |
|
Metric |
English |
Comments |
| Carbon, C |
1.05 - 1.15 % |
1.05 - 1.15 % |
|
| Chromium, Cr |
3.5 - 4.25 % |
3.5 - 4.25 % |
|
| Cobalt, Co |
7.75 - 8.75 % |
7.75 - 8.75 % |
|
| Copper, Cu |
<= 0.25 % |
<= 0.25 % |
|
| Iron, Fe |
70.99 - 76.3 % |
70.99 - 76.3 % |
|
| Manganese, Mn |
0.15 - 0.40 % |
0.15 - 0.40 % |
|
| Molybdenum, Mo |
9.0 - 10 % |
9.0 - 10 % |
|
| Nickel, Ni |
<= 0.30 % |
<= 0.30 % |
|
| Phosphorous, P |
<= 0.030 % |
<= 0.030 % |
|
| Silicon, Si |
0.15 - 0.65 % |
0.15 - 0.65 % |
|
| Sulfur, S |
<= 0.030 % |
<= 0.030 % |
|
| Tungsten, W |
1.15 - 1.85 % |
1.15 - 1.85 % |
|
| Vanadium, V |
0.95 - 1.35 % |
0.95 - 1.35 % |
|
