| AISI M33 | |
 | |
| Category | Steel |
| Class | Tool steel |
| Type | Molybdenum high speed steel |
| Designations |
Germany: DIN 1.3249 United Kingdom: B.S. BM 34 United States: ASTM A600 , FED QQ-T-590 , UNS T11333 |
| Composition | |
| |
| Element | Weight % |
| C | 0.85-0.92 |
| Mn | 0.15-0.40 |
| Si | 0.15-0.50 |
| Cr | 3.50-4.00 |
| Ni | 0.3 |
| Mo | 9.00-10.00 |
| W | 1.30-2.10 |
| V | 1.00-1.35 |
| Co | 7.75-8.75 |
| Cu | 0.25 |
| P | 0.03 |
| S | 0.03 |
| Mechanical Properties | |
| |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Thermal Properties | |
| |
