R31537 Cobalt vs. C63600 Bronze
R31537 cobalt belongs to the cobalt alloys classification, while C63600 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is R31537 cobalt and the bottom bar is C63600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 110 |
| Elongation at Break, % | 14 to 23 | |
| 30 to 66 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 87 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1340 | |
| 410 to 540 |
| Tensile Strength: Yield (Proof), MPa | 590 to 940 | |
| 150 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 230 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1030 |
| Melting Onset (Solidus), °C | 1290 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 410 |
| Thermal Conductivity, W/m-K | 13 | |
| 57 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 2.8 |
| Embodied Energy, MJ/kg | 110 | |
| 45 |
| Embodied Water, L/kg | 530 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 200 | |
| 98 to 290 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 780 to 1990 | |
| 100 to 300 |
| Stiffness to Weight: Axial, points | 15 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 33 to 44 | |
| 13 to 18 |
| Strength to Weight: Bending, points | 26 to 32 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 16 |
| Thermal Shock Resistance, points | 24 to 32 | |
| 15 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Arsenic (As), % | 0 | |
| 0 to 0.15 |
| Carbon (C), % | 0 to 0.14 | |
| 0 |
| Chromium (Cr), % | 26 to 30 | |
| 0 |
| Cobalt (Co), % | 58.9 to 69 | |
| 0 |
| Copper (Cu), % | 0 | |
| 93 to 96.3 |
| Iron (Fe), % | 0 to 0.75 | |
| 0 to 0.15 |
| 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 to 0.15 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.7 to 1.3 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |