R31539 Cobalt vs. C22600 Bronze
R31539 cobalt belongs to the cobalt alloys classification, while C22600 bronze belongs to the copper alloys. There are 26 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 R31539 cobalt and the bottom bar is C22600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 110 |
| Elongation at Break, % | 13 to 22 | |
| 2.5 to 33 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 86 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1340 | |
| 330 to 570 |
| Tensile Strength: Yield (Proof), MPa | 590 to 940 | |
| 270 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 200 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1040 |
| Melting Onset (Solidus), °C | 1290 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 390 |
| Thermal Conductivity, W/m-K | 13 | |
| 170 |
| Thermal Expansion, µm/m-K | 13 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 42 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 2.6 |
| Embodied Energy, MJ/kg | 110 | |
| 42 |
| Embodied Water, L/kg | 530 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 190 | |
| 14 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 780 to 2000 | |
| 330 to 1070 |
| Stiffness to Weight: Axial, points | 15 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 33 to 44 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 27 to 32 | |
| 12 to 18 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 52 |
| Thermal Shock Resistance, points | 24 to 32 | |
| 11 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0.3 to 1.0 | |
| 0 |
| Carbon (C), % | 0 to 0.14 | |
| 0 |
| Chromium (Cr), % | 26 to 30 | |
| 0 |
| Cobalt (Co), % | 57.7 to 68.7 | |
| 0 |
| Copper (Cu), % | 0 | |
| 86 to 89 |
| Iron (Fe), % | 0 to 0.75 | |
| 0 to 0.050 |
| Lanthanum (La), % | 0.030 to 0.2 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 5.0 to 7.0 | |
| 0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 10.7 to 14 |
| Residuals, % | 0 | |
| 0 to 0.2 |