C52400 Bronze vs. R30816 Cobalt
C52400 bronze belongs to the copper alloys classification, while R30816 cobalt belongs to the cobalt alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is C52400 bronze and the bottom bar is R30816 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 210 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Shear Modulus, GPa | 41 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 880 | |
| 1020 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 300 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1540 |
| Melting Onset (Solidus), °C | 840 | |
| 1460 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 420 |
| Thermal Conductivity, W/m-K | 50 | |
| 13 |
| Thermal Expansion, µm/m-K | 18 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 9.1 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 20 |
| Embodied Energy, MJ/kg | 58 | |
| 320 |
| Embodied Water, L/kg | 390 | |
| 440 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.9 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 22 |
| Strength to Weight: Axial, points | 14 to 28 | |
| 31 |
| Strength to Weight: Bending, points | 15 to 23 | |
| 25 |
| Thermal Diffusivity, mm2/s | 15 | |
| 3.3 |
| Thermal Shock Resistance, points | 17 to 32 | |
| 28 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.32 to 0.42 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 40 to 49.8 |
| Copper (Cu), % | 87.8 to 91 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 5.0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 0 | |
| 19 to 21 |
| Niobium (Nb), % | 0 | |
| 3.5 to 4.5 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tantalum (Ta), % | 0 | |
| 3.5 to 4.5 |
| Tin (Sn), % | 9.0 to 11 | |
| 0 |
| Tungsten (W), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |