R30075 Cobalt vs. C53400 Bronze
R30075 cobalt belongs to the cobalt alloys classification, while C53400 bronze belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is R30075 cobalt and the bottom bar is C53400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 to 250 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 82 to 98 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1280 | |
| 330 to 720 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 200 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1050 |
| Melting Onset (Solidus), °C | 1290 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 380 |
| Thermal Conductivity, W/m-K | 13 | |
| 69 |
| Thermal Expansion, µm/m-K | 12 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 15 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 15 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 3.0 |
| Embodied Energy, MJ/kg | 110 | |
| 49 |
| Embodied Water, L/kg | 530 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 to 17 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 18 |
| Strength to Weight: Axial, points | 26 to 42 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 22 to 31 | |
| 12 to 20 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 21 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 12 to 26 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 |
| Boron (B), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.35 | |
| 0 |
| Chromium (Cr), % | 27 to 30 | |
| 0 |
| Cobalt (Co), % | 58.7 to 68 | |
| 0 |
| Copper (Cu), % | 0 | |
| 91.8 to 95.7 |
| Iron (Fe), % | 0 to 0.75 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0.8 to 1.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 5.0 to 7.0 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0.030 to 0.35 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 3.5 to 5.8 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Tungsten (W), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.3 |
| Residuals, % | 0 | |
| 0 to 0.5 |