Titanium 15-3-3-3 vs. R30035 Cobalt
Titanium 15-3-3-3 belongs to the titanium alloys classification, while R30035 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 titanium 15-3-3-3 and the bottom bar is R30035 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 220 to 230 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 9.0 to 46 |
| Fatigue Strength, MPa | 610 to 710 | |
| 170 to 740 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 84 to 89 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 900 to 1900 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1340 | |
| 300 to 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 320 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1440 |
| Melting Onset (Solidus), °C | 1560 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 440 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 11 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 100 |
| Density, g/cm3 | 4.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 10 |
| Embodied Energy, MJ/kg | 950 | |
| 140 |
| Embodied Water, L/kg | 260 | |
| 410 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 89 | |
| 160 to 320 |
| Stiffness to Weight: Axial, points | 12 | |
| 14 to 15 |
| Stiffness to Weight: Bending, points | 32 | |
| 23 to 24 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 29 to 61 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 24 to 39 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 3.0 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 23 to 46 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.025 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 29.1 to 39 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0 | |
| 9.0 to 10.5 |
| Nickel (Ni), % | 0 | |
| 33 to 37 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 0 to 1.0 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |