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Tool Steel List |
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| AISI W2 | |
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| Category | Steel |
| Class | Tool steel |
| Type | Water-hardening tool steel |
| Designations | United States: SAE J437 (W209) , SAE J437 (W210) , SAE J438 (W209) , SAE J438 (W210) , UNS T72302 |
| Composition | |
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| Element | Weight % |
| C | 0.85-1.50 |
| Mn | 0.10-0.40 |
| Si | 0.10-0.40 |
| Cr | 0.15 |
| Ni | 0.20 |
| Mo | 0.10 |
| W | 0.15 |
| V | 0.15-0.35 |
| Cu | 0.20 |
| P | 0.025 |
| S | 0.025 |
| Mechanical Properties | |
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| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.85 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Thermal Properties | |
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