R30003 Cobalt vs. C94100 Bronze
R30003 cobalt belongs to the cobalt alloys classification, while C94100 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is R30003 cobalt and the bottom bar is C94100 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 92 |
| Elongation at Break, % | 10 to 73 | |
| 7.8 |
| Poisson's Ratio | 0.29 | |
| 0.36 |
| Shear Modulus, GPa | 83 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1720 | |
| 190 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1090 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 160 |
| Melting Completion (Liquidus), °C | 1400 | |
| 870 |
| Melting Onset (Solidus), °C | 1440 | |
| 790 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 330 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 95 | |
| 29 |
| Density, g/cm3 | 8.4 | |
| 9.2 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 3.0 |
| Embodied Energy, MJ/kg | 110 | |
| 48 |
| Embodied Water, L/kg | 400 | |
| 370 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 600 to 2790 | |
| 97 |
| Stiffness to Weight: Axial, points | 14 | |
| 5.5 |
| Stiffness to Weight: Bending, points | 24 | |
| 16 |
| Strength to Weight: Axial, points | 32 to 57 | |
| 5.8 |
| Strength to Weight: Bending, points | 26 to 38 | |
| 8.1 |
| Thermal Shock Resistance, points | 26 to 45 | |
| 7.6 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.8 |
| Boron (B), % | 0 to 0.1 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 19 to 21 | |
| 0 |
| Cobalt (Co), % | 39 to 41 | |
| 0 |
| Copper (Cu), % | 0 | |
| 72 to 79 |
| Iron (Fe), % | 10 to 20.5 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 18 to 22 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 |
| Molybdenum (Mo), % | 6.0 to 8.0 | |
| 0 |
| Nickel (Ni), % | 14 to 16 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 1.2 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 | |
| 4.5 to 6.5 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 1.3 |