C99600 Bronze vs. R31233 Cobalt
C99600 bronze belongs to the copper alloys classification, while R31233 cobalt belongs to the cobalt alloys. There are 22 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 C99600 bronze and the bottom bar is R31233 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 150 | |
| 220 |
| Elongation at Break, % | 27 to 34 | |
| 17 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 56 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 560 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 250 to 300 | |
| 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 320 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1350 |
| Melting Onset (Solidus), °C | 1050 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 440 |
| Thermal Expansion, µm/m-K | 19 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 8.4 |
| Embodied Energy, MJ/kg | 51 | |
| 110 |
| Embodied Water, L/kg | 300 | |
| 480 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 150 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 310 | |
| 410 |
| Stiffness to Weight: Axial, points | 10 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 23 |
| Strength to Weight: Axial, points | 19 | |
| 33 |
| Strength to Weight: Bending, points | 19 | |
| 26 |
| Thermal Shock Resistance, points | 14 | |
| 25 |
Alloy Composition
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| Aluminum (Al), % | 1.0 to 2.8 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.050 | |
| 0.020 to 0.1 |
| Chromium (Cr), % | 0 | |
| 23.5 to 27.5 |
| Cobalt (Co), % | 0 to 0.2 | |
| 44.7 to 63.3 |
| Copper (Cu), % | 50.8 to 60 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 1.0 to 5.0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 39 to 45 | |
| 0.1 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 4.0 to 6.0 |
| Nickel (Ni), % | 0 to 0.2 | |
| 7.0 to 11 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.12 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.050 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Tungsten (W), % | 0 | |
| 1.0 to 3.0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |