G-CoCr28 Cobalt vs. C55284 Copper
G-CoCr28 cobalt belongs to the cobalt alloys classification, while C55284 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is C55284 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 100 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 83 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 560 | |
| 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 1200 | |
| 200 |
| Melting Completion (Liquidus), °C | 1330 | |
| 800 |
| Melting Onset (Solidus), °C | 1270 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 6.2 | |
| 16 |
| Embodied Energy, MJ/kg | 84 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 6.5 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 19 | |
| 5.6 |
| Strength to Weight: Bending, points | 19 | |
| 8.0 |
| Thermal Shock Resistance, points | 14 | |
| 7.4 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.25 | |
| 0 |
| Chromium (Cr), % | 27 to 30 | |
| 0 |
| Cobalt (Co), % | 48 to 52 | |
| 0 |
| Copper (Cu), % | 0 | |
| 79.2 to 80.7 |
| Iron (Fe), % | 9.7 to 24.5 | |
| 0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 4.0 | |
| 0 |
| Niobium (Nb), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 4.8 to 5.2 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0 |
| Silver (Ag), % | 0 | |
| 14.5 to 15.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |