| AISI M30 | |
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| Category | Steel |
| Class | Tool steel |
| Type | Molybdenum high speed steel |
| Designations | United States: ASTM A600 , FED QQ-T-590 , UNS T11330 |
| Composition | |
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| Element | Weight % |
| C | 0.75-0.85 |
| Mn | 0.15-0.40 |
| Si | 0.20-0.45 |
| Cr | 3.50-4.25 |
| Ni | 0.3 |
| Mo | 7.75-9.00 |
| W | 1.30-2.30 |
| V | 1.00-1.40 |
| Co | 4.50-5.50 |
| Cu | 0.25 |
| P | 0.03 |
| S | 0.03 |
| Mechanical Properties | |
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| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 8.01 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Thermal Properties | |
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