Properties of the materials cobalt-chrome, titanium, and porous titanium, as determined by the Biomechanics Institute of Valencia.
| Material | Young’s Modulus, MPa | Elastic Limit, MPa | Breaking Stress, MPa | Poisson Coefficient |
| Cobalt-chrome (Co28Cr6Mo) | 220 | 925 | 1200 | 0.45 |
| Titanium (Ti6Al4V) | 115 | 1000 | 1050 | 0.3 |
| Porous titanium | 3 | 180 | 230 | 0.33 |
| Posterior ligamentous complex | 20 | 20 | 0.3 |
Note: Properties of complex o.