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Hard Tool Materials : General term for tool materials like cemented carbide alloy, cermet, ceramics, sintered CBN, sintered diamond, high speed steel and alloy steel, etc.
Appearance : Varies depending on the type of material. Eg. grey, black, gold, etc.
Smell : None
Hardness, Specific Gravity :
| Hard Tool Materials | Hardness (HV) | Specific Gravity |
|---|---|---|
| High Speed Steel (HSS) | 200-1200 kg/mm² | 7-9 |
| Cemented Carbide | 500-3000 kg/mm² | 9-16 |
| Cermet | 500-3000 kg/mm² | 5-9 |
| Ceramics | 1000-4000 kg/mm² | 2-7 |
| Sintered CBN | 2000-5000 kg/mm² | 3-5 |
| Sintered Diamond | 8000-12000 kg/mm² | 3-5 |
| Alloy Steel | 200-1200 kg/mm² | 7-9 |
| Diamond Electroforming Product | 8000-12000 kg/mm² | 3-5 |
Carbide, nitride, carbon nitride, oxide, such as W, Ti, Al, Si, Ta, B, V and metals such as Fe, Co, Ni, Cr, Mo.