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Metal Alloys |
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Alloy Home |
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Steels |
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Tool Steels |
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General Information |
| Properties | |
| Tool Steel Types |
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High-Speed |
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Hot-Work |
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Mold |
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Tool Steel List |
| AISI Ax | |
| AISI Dx | |
| AISI Hx | |
| AISI Lx | |
| AISI Mx | |
| AISI Ox | |
| AISI Px | |
| AISI Sx | |
| AISI Tx | |
| AISI Wx | |
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Specific Tool Steel |
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General Information |
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Resources |
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Bibliography |
| AISI T8 | |
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| Category | Steel |
| Class | Tool steel |
| Type | Tungsten high speed steel |
| Designations | United States: ASTM A600 , FED QQ-T-590 , SAE J437 , SAE J438 , UNS T12008 |
| Composition | |
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| Element | Weight % |
| C | 0.75-0.85 |
| Mn | 0.20-0.40 |
| Si | 0.20-0.40 |
| Cr | 3.75-4.50 |
| Ni | 0.3 |
| Mo | 0.40-1.00 |
| W | 13.25-14.75 |
| V | 1.80-2.40 |
| Co | 4.25-5.75 |
| Cu | 0.25 |
| P | 0.03 |
| S | 0.03 |
| Mechanical Properties | |
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