C95500 Bronze vs. R30003 Cobalt
C95500 bronze belongs to the copper alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C95500 bronze and the bottom bar is R30003 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 210 |
| Elongation at Break, % | 8.4 to 10 | |
| 10 to 73 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 83 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 850 | |
| 970 to 1720 |
| Tensile Strength: Yield (Proof), MPa | 320 to 470 | |
| 510 to 1090 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 310 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1400 |
| Melting Onset (Solidus), °C | 1040 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 450 |
| Thermal Conductivity, W/m-K | 42 | |
| 13 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 2.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 95 |
| Density, g/cm3 | 8.2 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 8.0 |
| Embodied Energy, MJ/kg | 57 | |
| 110 |
| Embodied Water, L/kg | 390 | |
| 400 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 to 950 | |
| 600 to 2790 |
| Stiffness to Weight: Axial, points | 8.0 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 24 to 29 | |
| 32 to 57 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 26 to 38 |
| Thermal Diffusivity, mm2/s | 11 | |
| 3.3 |
| Thermal Shock Resistance, points | 24 to 29 | |
| 26 to 45 |
Alloy Composition
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| Aluminum (Al), % | 10 to 11.5 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.1 |
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 39 to 41 |
| Copper (Cu), % | 78 to 84 | |
| 0 |
| Iron (Fe), % | 3.0 to 5.0 | |
| 10 to 20.5 |
| Manganese (Mn), % | 0 to 3.5 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 0 | |
| 6.0 to 8.0 |
| Nickel (Ni), % | 3.0 to 5.5 | |
| 14 to 16 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 1.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Residuals, % | 0 to 0.5 | |
| 0 |