A360.0 Aluminum vs. R30008 Cobalt
A360.0 aluminum belongs to the aluminum alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 R30008 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 210 |
| Elongation at Break, % | 1.6 to 5.0 | |
| 1.1 to 73 |
| Fatigue Strength, MPa | 82 to 150 | |
| 320 to 530 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 83 |
| Tensile Strength: Ultimate (UTS), MPa | 180 to 320 | |
| 950 to 1700 |
| Tensile Strength: Yield (Proof), MPa | 170 to 260 | |
| 500 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 530 | |
| 320 |
| Melting Completion (Liquidus), °C | 680 | |
| 1400 |
| Melting Onset (Solidus), °C | 590 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 450 |
| Thermal Expansion, µm/m-K | 21 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 95 |
| 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 | |
| 400 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 470 | |
| 590 to 2720 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 53 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 34 | |
| 31 to 56 |
| Strength to Weight: Bending, points | 27 to 39 | |
| 25 to 37 |
| Thermal Shock Resistance, points | 8.5 to 15 | |
| 25 to 44 |
Alloy Composition
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| Aluminum (Al), % | 85.8 to 90.6 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.0010 |
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 18.5 to 21.5 |
| Cobalt (Co), % | 0 | |
| 39 to 42 |
| Copper (Cu), % | 0 to 0.6 | |
| 0 |
| Iron (Fe), % | 0 to 1.3 | |
| 7.6 to 20 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.35 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 7.5 |
| Nickel (Ni), % | 0 to 0.5 | |
| 15 to 18 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 9.0 to 10 | |
| 0 to 1.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.25 | |
| 0 |