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M2/DIN-3343 / AISI M2 /
M2 is the most widely used high-speed steel, engineered for excellent wear resistance and red hardness. It maintains cutting performance at elevated temperatures for long production runs, delivering a strong balance of toughness and hardness for dependable tool life. Its fine, uniform structure supports precision grinding and stable edge retention, making it ideal for productivity-driven environments where reducing tool change frequency and downtime is critical.
Key Features
- Excellent wear resistance for long life
- Strong red hardness at high speeds
- Good toughness for interrupted cuts
- Fine structure for precision grinding
- Reliable heat treatment response
Typical Applications
- Drills, taps, reamers, and end mills
- Broaches and gear cutting tools
- Milling cutters and saw blades
- Punches, dies, and forming tools
- General purpose high-speed tooling
Chemical Composition (%)
| Carbon (C) | Chromium (Cr) | Tungsten (W) | Molybdenum (Mo) | Vanadium (V) | Cobalt (Co) | Iron (Fe) |
|---|---|---|---|---|---|---|
| 0.85-0.95 | 3.75-4.50 | 5.50-6.75 | 4.50-5.50 | 1.75-2.20 | - | Balance |