| Temperature , T ˚C | Hardness HV, GPa | ||
| Tested T composite | WC 92-Co 8 | Ti(C, N) 80-Co 20 | |
| 200 | 14.0 | 13.0 | 14.0 |
| 400 | 13.0 | 10.5 | 11.5 |
| 600 | 11.0 | 8.0 | 8.5 |
| 800 | 9.0 | 5.5 | 6.0 |
| 1000 | 6.5 | 3.5 | 4.0 |