238.0 Aluminum vs. 515.0 Aluminum
Both 238.0 aluminum and 515.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is 238.0 aluminum and the bottom bar is 515.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 76 | |
| 70 |
| Elongation at Break, % | 1.5 | |
| 10 |
| Fatigue Strength, MPa | 110 | |
| 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 28 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 210 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 430 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 620 |
| Melting Onset (Solidus), °C | 510 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 840 | |
| 900 |
| Thermal Expansion, µm/m-K | 21 | |
| 23 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 3.4 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 7.4 | |
| 8.4 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 1040 | |
| 1120 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 15 |
| Stiffness to Weight: Bending, points | 42 | |
| 52 |
| Strength to Weight: Axial, points | 17 | |
| 30 |
| Strength to Weight: Bending, points | 23 | |
| 36 |
| Thermal Shock Resistance, points | 9.1 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 81.9 to 84.9 | |
| 93.6 to 96.6 |
| Copper (Cu), % | 9.5 to 10.5 | |
| 0 to 0.2 |
| Iron (Fe), % | 1.0 to 1.5 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 0 to 0.25 | |
| 2.5 to 4.0 |
| Manganese (Mn), % | 0 | |
| 0.4 to 0.6 |
| Silicon (Si), % | 3.6 to 4.4 | |
| 0.5 to 10 |
| Zinc (Zn), % | 1.0 to 1.5 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |