R30006 Cobalt vs. C63200 Bronze
R30006 cobalt belongs to the cobalt alloys classification, while C63200 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is R30006 cobalt and the bottom bar is C63200 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 120 |
| Elongation at Break, % | 1.0 | |
| 17 to 18 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 85 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 900 | |
| 640 to 710 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 310 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 230 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1060 |
| Melting Onset (Solidus), °C | 1290 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 440 |
| Thermal Conductivity, W/m-K | 15 | |
| 35 |
| Thermal Expansion, µm/m-K | 11 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.6 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.7 | |
| 7.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 3.4 |
| Embodied Energy, MJ/kg | 110 | |
| 55 |
| Embodied Water, L/kg | 500 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 | |
| 95 to 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 670 | |
| 400 to 510 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.9 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 29 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 24 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 9.6 |
| Thermal Shock Resistance, points | 26 | |
| 22 to 24 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 8.7 to 9.5 |
| 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 | |
| 78.8 to 82.6 |
| Iron (Fe), % | 0 to 3.0 | |
| 3.5 to 4.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 | |
| 1.2 to 2.0 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 to 3.0 | |
| 4.0 to 4.8 |
| Silicon (Si), % | 0 to 2.0 | |
| 0 to 0.1 |
| Tungsten (W), % | 4.0 to 6.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |