C70260 Copper vs. EN 2.4964 Cobalt
C70260 copper belongs to the copper alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. There are 26 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 C70260 copper and the bottom bar is EN 2.4964 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 220 |
| Elongation at Break, % | 9.5 to 19 | |
| 40 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 86 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 760 | |
| 960 |
| Tensile Strength: Yield (Proof), MPa | 410 to 650 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 290 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1630 |
| Melting Onset (Solidus), °C | 1040 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 160 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 to 50 | |
| 1.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 to 51 | |
| 1.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 9.6 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 9.8 |
| Embodied Energy, MJ/kg | 43 | |
| 140 |
| Embodied Water, L/kg | 310 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 46 to 140 | |
| 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 1810 | |
| 340 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 21 |
| Strength to Weight: Axial, points | 16 to 24 | |
| 28 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 23 |
| Thermal Diffusivity, mm2/s | 45 | |
| 3.9 |
| Thermal Shock Resistance, points | 18 to 27 | |
| 25 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 46.4 to 58 |
| Copper (Cu), % | 95.8 to 98.8 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 3.0 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 1.0 to 3.0 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.2 to 0.7 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tungsten (W), % | 0 | |
| 14 to 16 |
| Residuals, % | 0 to 0.5 | |
| 0 |