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Specific Tool Steel |
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| AISI M3 class 2 | |
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| Category | Steel |
| Class | Tool steel |
| Type | Molybdenum high speed steel |
| Designations | United States: UNS T11323 |
| Composition | |
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| Element | Weight % |
| C | 1.15-1.25 |
| Mn | 0.15-0.40 |
| Si | 0.20-0.45 |
| Cr | 3.75-4.50 |
| Ni | 0.3 |
| Mo | 4.75-6.50 |
| W | 5.00-6.75 |
| V | 2.75-3.75 |
| Cu | 0.25 |
| P | 0.03 |
| S | 0.03 |
| Mechanical Properties | |
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| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 8.16 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Thermal Properties | |
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