M2 High Speed Steel
Tungsten-molybdenum high-speed steel with high red hardness and wear resistance. The most commonly used HSS for cutting tools worldwide.
Applicable Standards
- ASTM A600
- AMS 2300
- DIN 1.3343
- JIS SKH51
Composition Ranges (wt %)
| Element | Min (%) | Max (%) | Typical |
|---|---|---|---|
| Fe | 80.0 | 86.0 | ~83.0 |
| W | 5.5 | 6.75 | ~6.12 |
| Mo | 4.5 | 5.5 | ~5.0 |
| Cr | 3.75 | 4.5 | ~4.12 |
| V | 1.75 | 2.2 | ~1.98 |
| C | 0.78 | 0.88 | ~0.83 |
Fe
80.0–86.0%
W
5.5–6.75%
Mo
4.5–5.5%
Cr
3.75–4.5%
V
1.75–2.2%
C
0.78–0.88%
Typical Applications
- Twist drills and end mills
- Milling cutters
- Taps and dies
- Gear cutting tools
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