EN 2.4964 Cobalt vs. C61800 Bronze
EN 2.4964 cobalt belongs to the cobalt alloys classification, while C61800 bronze belongs to the copper alloys. There are 27 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 EN 2.4964 cobalt and the bottom bar is C61800 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 110 |
| Elongation at Break, % | 40 | |
| 26 |
| Fatigue Strength, MPa | 220 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 86 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 960 | |
| 740 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 230 |
| Melting Completion (Liquidus), °C | 1630 | |
| 1050 |
| Melting Onset (Solidus), °C | 1550 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 440 |
| Thermal Conductivity, W/m-K | 15 | |
| 64 |
| Thermal Expansion, µm/m-K | 12 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.9 | |
| 13 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.6 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 9.8 | |
| 3.1 |
| Embodied Energy, MJ/kg | 140 | |
| 52 |
| Embodied Water, L/kg | 450 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 310 | |
| 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 | |
| 420 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 21 | |
| 19 |
| Strength to Weight: Axial, points | 28 | |
| 25 |
| Strength to Weight: Bending, points | 23 | |
| 22 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 18 |
| Thermal Shock Resistance, points | 25 | |
| 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 8.5 to 11 |
| Carbon (C), % | 0.050 to 0.15 | |
| 0 |
| Chromium (Cr), % | 19 to 21 | |
| 0 |
| Cobalt (Co), % | 46.4 to 58 | |
| 0 |
| Copper (Cu), % | 0 | |
| 86.9 to 91 |
| Iron (Fe), % | 0 to 3.0 | |
| 0.5 to 1.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 9.0 to 11 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tungsten (W), % | 14 to 16 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 0 | |
| 0 to 0.5 |