Grade 32 Titanium vs. R31233 Cobalt
Grade 32 titanium belongs to the titanium alloys classification, while R31233 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is grade 32 titanium and the bottom bar is R31233 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 220 |
| Elongation at Break, % | 11 | |
| 17 |
| Fatigue Strength, MPa | 390 | |
| 220 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 670 | |
| 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 320 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1350 |
| Melting Onset (Solidus), °C | 1560 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 440 |
| Thermal Conductivity, W/m-K | 7.5 | |
| 12 |
| Thermal Expansion, µm/m-K | 8.2 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 2.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 8.4 |
| Embodied Energy, MJ/kg | 530 | |
| 110 |
| Embodied Water, L/kg | 180 | |
| 480 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2100 | |
| 410 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 23 |
| Strength to Weight: Axial, points | 47 | |
| 33 |
| Strength to Weight: Bending, points | 41 | |
| 26 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 3.2 |
| Thermal Shock Resistance, points | 63 | |
| 25 |
Alloy Composition
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| Aluminum (Al), % | 4.5 to 5.5 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.080 | |
| 0.020 to 0.1 |
| Chromium (Cr), % | 0 | |
| 23.5 to 27.5 |
| Cobalt (Co), % | 0 | |
| 44.7 to 63.3 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 1.0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0.1 to 1.5 |
| Molybdenum (Mo), % | 0.6 to 1.2 | |
| 4.0 to 6.0 |
| Nickel (Ni), % | 0 | |
| 7.0 to 11 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0.030 to 0.12 |
| Oxygen (O), % | 0 to 0.11 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.060 to 0.14 | |
| 0.050 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tin (Sn), % | 0.6 to 1.4 | |
| 0 |
| Titanium (Ti), % | 88.1 to 93 | |
| 0 |
| Tungsten (W), % | 0 | |
| 1.0 to 3.0 |
| Vanadium (V), % | 0.6 to 1.4 | |
| 0 |
| Zirconium (Zr), % | 0.6 to 1.4 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |