C52400 Bronze vs. R30035 Cobalt
C52400 bronze belongs to the copper alloys classification, while R30035 cobalt belongs to the cobalt alloys. There are 23 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 C52400 bronze and the bottom bar is R30035 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 220 to 230 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 41 | |
| 84 to 89 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 880 | |
| 900 to 1900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 320 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1440 |
| Melting Onset (Solidus), °C | 840 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 440 |
| Thermal Conductivity, W/m-K | 50 | |
| 11 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 35 | |
| 100 |
| Density, g/cm3 | 8.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 10 |
| Embodied Energy, MJ/kg | 58 | |
| 140 |
| Embodied Water, L/kg | 390 | |
| 410 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.9 | |
| 14 to 15 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 to 24 |
| Strength to Weight: Axial, points | 14 to 28 | |
| 29 to 61 |
| Strength to Weight: Bending, points | 15 to 23 | |
| 24 to 39 |
| Thermal Diffusivity, mm2/s | 15 | |
| 3.0 |
| Thermal Shock Resistance, points | 17 to 32 | |
| 23 to 46 |
Alloy Composition
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| Boron (B), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0 | |
| 0 to 0.025 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 29.1 to 39 |
| Copper (Cu), % | 87.8 to 91 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0 | |
| 9.0 to 10.5 |
| Nickel (Ni), % | 0 | |
| 33 to 37 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Tin (Sn), % | 9.0 to 11 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |