R30006 Cobalt vs. C67000 Bronze
R30006 cobalt belongs to the cobalt alloys classification, while C67000 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is R30006 cobalt and the bottom bar is C67000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 110 |
| Elongation at Break, % | 1.0 | |
| 5.6 to 11 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 85 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 900 | |
| 660 to 880 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 350 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 190 |
| Melting Completion (Liquidus), °C | 1400 | |
| 900 |
| Melting Onset (Solidus), °C | 1290 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 410 |
| Thermal Conductivity, W/m-K | 15 | |
| 99 |
| Thermal Expansion, µm/m-K | 11 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.6 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.7 | |
| 25 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 2.9 |
| Embodied Energy, MJ/kg | 110 | |
| 49 |
| Embodied Water, L/kg | 500 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 | |
| 43 to 62 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 670 | |
| 560 to 1290 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 29 | |
| 23 to 31 |
| Strength to Weight: Bending, points | 24 | |
| 21 to 26 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 30 |
| Thermal Shock Resistance, points | 26 | |
| 21 to 29 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 6.0 |
| 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 | |
| 63 to 68 |
| Iron (Fe), % | 0 to 3.0 | |
| 2.0 to 4.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 | |
| 2.5 to 5.0 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 to 3.0 | |
| 0 |
| Silicon (Si), % | 0 to 2.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.5 |
| Tungsten (W), % | 4.0 to 6.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 21.8 to 32.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |