R30003 Cobalt vs. Titanium 15-3-3-3
R30003 cobalt belongs to the cobalt alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 26 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 R30003 cobalt and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 100 |
| Elongation at Break, % | 10 to 73 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 320 to 560 | |
| 610 to 710 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 83 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1720 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1090 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 390 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1620 |
| Melting Onset (Solidus), °C | 1440 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 520 |
| Thermal Conductivity, W/m-K | 13 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.8 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 95 | |
| 40 |
| Density, g/cm3 | 8.4 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 59 |
| Embodied Energy, MJ/kg | 110 | |
| 950 |
| Embodied Water, L/kg | 400 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 | |
| 32 |
| Strength to Weight: Axial, points | 32 to 57 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 26 to 38 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 3.2 |
| Thermal Shock Resistance, points | 26 to 45 | |
| 79 to 98 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Boron (B), % | 0 to 0.1 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.050 |
| Chromium (Cr), % | 19 to 21 | |
| 2.5 to 3.5 |
| Cobalt (Co), % | 39 to 41 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 10 to 20.5 | |
| 0 to 0.25 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 |
| Molybdenum (Mo), % | 6.0 to 8.0 | |
| 0 |
| Nickel (Ni), % | 14 to 16 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.13 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 1.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 0 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 0 | |
| 14 to 16 |
| Residuals, % | 0 | |
| 0 to 0.4 |