A360.0 Aluminum vs. R30075 Cobalt
A360.0 aluminum belongs to the aluminum alloys classification, while R30075 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 A360.0 aluminum and the bottom bar is R30075 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 210 to 250 |
| Elongation at Break, % | 1.6 to 5.0 | |
| 12 |
| Fatigue Strength, MPa | 82 to 150 | |
| 250 to 840 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 82 to 98 |
| Tensile Strength: Ultimate (UTS), MPa | 180 to 320 | |
| 780 to 1280 |
| Tensile Strength: Yield (Proof), MPa | 170 to 260 | |
| 480 to 840 |
Thermal Properties
| Latent Heat of Fusion, J/g | 530 | |
| 320 |
| Melting Completion (Liquidus), °C | 680 | |
| 1360 |
| Melting Onset (Solidus), °C | 590 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 450 |
| Thermal Conductivity, W/m-K | 110 | |
| 13 |
| Thermal Expansion, µm/m-K | 21 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 2.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.6 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 110 |
| Embodied Water, L/kg | 1070 | |
| 530 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.6 to 13 | |
| 84 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 470 | |
| 560 to 1410 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 to 17 |
| Stiffness to Weight: Bending, points | 53 | |
| 24 to 25 |
| Strength to Weight: Axial, points | 19 to 34 | |
| 26 to 42 |
| Strength to Weight: Bending, points | 27 to 39 | |
| 22 to 31 |
| Thermal Diffusivity, mm2/s | 48 | |
| 3.5 |
| Thermal Shock Resistance, points | 8.5 to 15 | |
| 21 to 29 |
Alloy Composition
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| Aluminum (Al), % | 85.8 to 90.6 | |
| 0 to 0.1 |
| Boron (B), % | 0 | |
| 0 to 0.010 |
| Carbon (C), % | 0 | |
| 0 to 0.35 |
| Chromium (Cr), % | 0 | |
| 27 to 30 |
| Cobalt (Co), % | 0 | |
| 58.7 to 68 |
| Copper (Cu), % | 0 to 0.6 | |
| 0 |
| Iron (Fe), % | 0 to 1.3 | |
| 0 to 0.75 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 5.0 to 7.0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 to 0.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 9.0 to 10 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Tin (Sn), % | 0 to 0.15 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Tungsten (W), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.25 | |
| 0 |