materials
Tungsten carbide properties (tungsten carbide - TC)
| Tungsten carbide percentage (%) | 92 | 94 |
| Nickel percentage (%) | 8 | 6 |
| Density (g/cm3) | 14,4 – 14,8 | 14,5 – 14,9 |
| Hardness (HRA) | 87 - 90 | 88 - 91 |
| Bending strength (N/cm2) | 1590 | 1550 |
| Coefficient of thermal expansion 10-6/K (20 – 500 oC) | 5,3 | 5,2 |
| Tungsten carbide percentage (%) | 92 | 94 |
| Cobalt percentage (%) | 8 | 6 |
| Density (g/cm3) | 14,5 – 14,9 | 14,6 – 15,0 |
| Hardness (HRA) | 87,5 – 90,5 | 88 – 91 |
| Bending strength (N/cm2) | 1750 | 1580 |
| Coefficient of thermal expansion 10-6/K (20 – 500 oC) | 5,1 | 5,0 |