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AISI M33 |
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| 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
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| Composition |
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| 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 |
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| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
8.03 |
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) |
11 |
20-425 more |
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