C66100 Bronze vs. R30001 Cobalt
C66100 bronze belongs to the copper alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C66100 bronze and the bottom bar is R30001 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 220 |
| Elongation at Break, % | 8.0 to 40 | |
| 1.0 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 86 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 790 | |
| 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 310 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1530 |
| Melting Onset (Solidus), °C | 1000 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 430 |
| Thermal Conductivity, W/m-K | 34 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 8.9 |
| Embodied Energy, MJ/kg | 42 | |
| 130 |
| Embodied Water, L/kg | 300 | |
| 460 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 22 |
| Strength to Weight: Axial, points | 13 to 25 | |
| 19 |
| Strength to Weight: Bending, points | 14 to 22 | |
| 18 |
| Thermal Diffusivity, mm2/s | 9.7 | |
| 3.7 |
| Thermal Shock Resistance, points | 15 to 29 | |
| 19 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 2.0 to 3.0 |
| Chromium (Cr), % | 0 | |
| 28 to 32 |
| Cobalt (Co), % | 0 | |
| 43 to 59 |
| Copper (Cu), % | 92 to 97 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 3.0 |
| Lead (Pb), % | 0.2 to 0.8 | |
| 0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 0 to 3.0 |
| Silicon (Si), % | 2.8 to 3.5 | |
| 0 to 2.0 |
| Tungsten (W), % | 0 | |
| 11 to 13 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |