R30035 Cobalt vs. 6060 Aluminum
R30035 cobalt belongs to the cobalt alloys classification, while 6060 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is R30035 cobalt and the bottom bar is 6060 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 to 230 | |
| 68 |
| Elongation at Break, % | 9.0 to 46 | |
| 9.0 to 16 |
| Fatigue Strength, MPa | 170 to 740 | |
| 37 to 70 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 84 to 89 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1900 | |
| 140 to 220 |
| Tensile Strength: Yield (Proof), MPa | 300 to 1650 | |
| 71 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 660 |
| Melting Onset (Solidus), °C | 1320 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 900 |
| Thermal Conductivity, W/m-K | 11 | |
| 210 |
| Thermal Expansion, µm/m-K | 13 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.7 | |
| 54 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
| 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 100 | |
| 9.5 |
| Density, g/cm3 | 8.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 8.3 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 410 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 to 320 | |
| 13 to 24 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 5920 | |
| 37 to 210 |
| Stiffness to Weight: Axial, points | 14 to 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 to 24 | |
| 50 |
| Strength to Weight: Axial, points | 29 to 61 | |
| 14 to 23 |
| Strength to Weight: Bending, points | 24 to 39 | |
| 22 to 30 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 85 |
| Thermal Shock Resistance, points | 23 to 46 | |
| 6.3 to 9.9 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 97.9 to 99.3 |
| Boron (B), % | 0 to 0.015 | |
| 0 |
| Carbon (C), % | 0 to 0.025 | |
| 0 |
| Chromium (Cr), % | 19 to 21 | |
| 0 to 0.050 |
| Cobalt (Co), % | 29.1 to 39 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 1.0 | |
| 0.1 to 0.3 |
| Magnesium (Mg), % | 0 | |
| 0.35 to 0.6 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 9.0 to 10.5 | |
| 0 |
| Nickel (Ni), % | 33 to 37 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.15 | |
| 0.3 to 0.6 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0 to 1.0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.15 |
| Residuals, % | 0 | |
| 0 to 0.15 |