Grade 36 Titanium vs. R30075 Cobalt
Grade 36 titanium belongs to the titanium alloys classification, while R30075 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is grade 36 titanium and the bottom bar is R30075 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 210 to 250 |
| Elongation at Break, % | 11 | |
| 12 |
| Fatigue Strength, MPa | 300 | |
| 250 to 840 |
| Poisson's Ratio | 0.36 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 82 to 98 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 780 to 1280 |
| Tensile Strength: Yield (Proof), MPa | 520 | |
| 480 to 840 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 320 |
| Melting Completion (Liquidus), °C | 2020 | |
| 1360 |
| Melting Onset (Solidus), °C | 1950 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 450 |
| Thermal Expansion, µm/m-K | 8.1 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.3 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 58 | |
| 8.1 |
| Embodied Energy, MJ/kg | 920 | |
| 110 |
| Embodied Water, L/kg | 130 | |
| 530 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 84 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1260 | |
| 560 to 1410 |
| Stiffness to Weight: Axial, points | 9.3 | |
| 14 to 17 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 to 25 |
| Strength to Weight: Axial, points | 23 | |
| 26 to 42 |
| Strength to Weight: Bending, points | 23 | |
| 22 to 31 |
| Thermal Shock Resistance, points | 45 | |
| 21 to 29 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.1 |
| Boron (B), % | 0 | |
| 0 to 0.010 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.35 |
| Chromium (Cr), % | 0 | |
| 27 to 30 |
| Cobalt (Co), % | 0 | |
| 58.7 to 68 |
| Hydrogen (H), % | 0 to 0.0035 | |
| 0 |
| Iron (Fe), % | 0 to 0.030 | |
| 0 to 0.75 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 5.0 to 7.0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.5 |
| Niobium (Nb), % | 42 to 47 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.25 |
| Oxygen (O), % | 0 to 0.16 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 52.3 to 58 | |
| 0 to 0.1 |
| Tungsten (W), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.4 | |
| 0 |