R30006 Cobalt vs. C54400 Bronze
R30006 cobalt belongs to the cobalt alloys classification, while C54400 bronze belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is R30006 cobalt and the bottom bar is C54400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 110 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 85 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 900 | |
| 330 to 720 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 190 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1000 |
| Melting Onset (Solidus), °C | 1290 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 370 |
| Thermal Conductivity, W/m-K | 15 | |
| 86 |
| Thermal Expansion, µm/m-K | 11 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.6 | |
| 19 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.7 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 2.9 |
| Embodied Energy, MJ/kg | 110 | |
| 48 |
| Embodied Water, L/kg | 500 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 23 | |
| 18 |
| Strength to Weight: Axial, points | 29 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 24 | |
| 12 to 20 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 26 |
| Thermal Shock Resistance, points | 26 | |
| 12 to 26 |
Alloy Composition
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| Carbon (C), % | 0.9 to 1.4 | |
| 0 |
| Chromium (Cr), % | 27 to 32 | |
| 0 |
| Cobalt (Co), % | 48.6 to 68.1 | |
| 0 |
| Copper (Cu), % | 0 | |
| 85.4 to 91.5 |
| Iron (Fe), % | 0 to 3.0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 3.5 to 4.5 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 to 3.0 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.010 to 0.5 |
| Silicon (Si), % | 0 to 2.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 3.5 to 4.5 |
| Tungsten (W), % | 4.0 to 6.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 1.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |