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AISI M1 |
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| Category | Steel |
| Class | Tool steel |
| Type | Molybdenum high speed steel |
| Designations |
France: AFNOR 08-04-02-01
Germany: DIN 1.3346
Italy: UNI X 82 MoW 09 KU
United Kingdom: B.S. BM 1
United States: FED QQ-T-590 , SAE J437 , UNS T11301
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| Composition |
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| Element | Weight % |
| C |
0.78-0.88 |
| Mn |
0.15-0.40 |
| Si |
0.20-0.50 |
| Cr |
3.50-4.00 |
| Ni |
0.3 |
| Mo |
8.20-9.20 |
| W |
1.40-2.10 |
| V |
1.00-1.35 |
| Cu |
0.25 |
| P |
0.03 |
| S |
0.03 |
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| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
7.89 |
25 |
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| Poisson's Ratio |
0.27-0.30 |
25 |
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| Elastic Modulus (GPa) |
190-210
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25 |
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| Thermal Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) |
10.6 |
20-260 more |
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