240.0 Aluminum vs. 392.0 Aluminum
Both 240.0 aluminum and 392.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.
For each property being compared, the top bar is 240.0 aluminum and the bottom bar is 392.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 75 |
| Elongation at Break, % | 1.0 | |
| 0.86 |
| Fatigue Strength, MPa | 140 | |
| 190 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 240 | |
| 290 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 670 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 670 |
| Melting Onset (Solidus), °C | 520 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 900 |
| Thermal Conductivity, W/m-K | 96 | |
| 130 |
| Thermal Expansion, µm/m-K | 22 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 23 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 65 | |
| 90 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 10 |
| Density, g/cm3 | 3.2 | |
| 2.5 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 7.5 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1100 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.2 | |
| 2.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 | |
| 490 |
| Stiffness to Weight: Axial, points | 12 | |
| 17 |
| Stiffness to Weight: Bending, points | 43 | |
| 56 |
| Strength to Weight: Axial, points | 20 | |
| 32 |
| Strength to Weight: Bending, points | 26 | |
| 39 |
| Thermal Diffusivity, mm2/s | 35 | |
| 60 |
| Thermal Shock Resistance, points | 11 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 81.7 to 86.9 | |
| 73.9 to 80.6 |
| Copper (Cu), % | 7.0 to 9.0 | |
| 0.4 to 0.8 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 1.5 |
| Magnesium (Mg), % | 5.5 to 6.5 | |
| 0.8 to 1.2 |
| Manganese (Mn), % | 0.3 to 0.7 | |
| 0.2 to 0.6 |
| Nickel (Ni), % | 0.3 to 0.7 | |
| 0 to 0.5 |
| Silicon (Si), % | 0 to 0.5 | |
| 18 to 20 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |