C99600 Bronze vs. R30605 Cobalt
C99600 bronze belongs to the copper alloys classification, while R30605 cobalt belongs to the cobalt alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C99600 bronze and the bottom bar is R30605 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 150 | |
| 210 |
| Elongation at Break, % | 27 to 34 | |
| 34 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 56 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 560 | |
| 1130 to 1900 |
| Tensile Strength: Yield (Proof), MPa | 250 to 300 | |
| 470 to 1600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 290 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1410 |
| Melting Onset (Solidus), °C | 1050 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 410 |
| Thermal Expansion, µm/m-K | 19 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 9.6 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 9.8 |
| Embodied Energy, MJ/kg | 51 | |
| 140 |
| Embodied Water, L/kg | 300 | |
| 450 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 12 |
| Stiffness to Weight: Bending, points | 22 | |
| 21 |
| Strength to Weight: Axial, points | 19 | |
| 33 to 55 |
| Strength to Weight: Bending, points | 19 | |
| 25 to 36 |
| Thermal Shock Resistance, points | 14 | |
| 31 to 52 |
Alloy Composition
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| Aluminum (Al), % | 1.0 to 2.8 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 to 0.2 | |
| 46.4 to 57 |
| Copper (Cu), % | 50.8 to 60 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 3.0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 39 to 45 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 to 0.2 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Tungsten (W), % | 0 | |
| 14 to 16 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |