| Sintered temp. (K) | Vacuum sintering | Atmospheric sintering | ||||
| Hardness | Bending (MPa) | Compression (MPa) | Hardness | Bending (MPa) | Compression (MPa) | |
| 1473 | 73 | 35 | 270 | 41 | 39 | 210 |
| 1573 | 400 | 43 | 270 | 200 | 25 | 250 |
| 1598 | | 31 | 263 | | | |
| 1623 | | 31 | 238 | | | 167 |