Titanium 15-3-3-3 vs. R30001 Cobalt
Titanium 15-3-3-3 belongs to the titanium alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is titanium 15-3-3-3 and the bottom bar is R30001 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 220 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 1.0 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 86 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 310 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1530 |
| Melting Onset (Solidus), °C | 1560 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 430 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 1.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 1.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.8 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 8.9 |
| Embodied Energy, MJ/kg | 950 | |
| 130 |
| Embodied Water, L/kg | 260 | |
| 460 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 14 |
| Stiffness to Weight: Bending, points | 32 | |
| 22 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 19 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 18 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 3.7 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 2.0 to 3.0 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 28 to 32 |
| Cobalt (Co), % | 0 | |
| 43 to 59 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 3.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 0 to 3.0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 2.0 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 0 |
| Tungsten (W), % | 0 | |
| 11 to 13 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |