392.0 Aluminum vs. 238.0 Aluminum
Both 392.0 aluminum and 238.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% of their average alloy composition in common.
For each property being compared, the top bar is 392.0 aluminum and the bottom bar is 238.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 75 | |
| 76 |
| Elongation at Break, % | 0.86 | |
| 1.5 |
| Fatigue Strength, MPa | 190 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 28 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 290 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 670 | |
| 430 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 670 | |
| 600 |
| Melting Onset (Solidus), °C | 580 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 840 |
| Thermal Conductivity, W/m-K | 130 | |
| 100 |
| Thermal Expansion, µm/m-K | 19 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 90 | |
| 67 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 12 |
| Density, g/cm3 | 2.5 | |
| 3.4 |
| Embodied Carbon, kg CO2/kg material | 7.5 | |
| 7.4 |
| Embodied Energy, MJ/kg | 140 | |
| 140 |
| Embodied Water, L/kg | 950 | |
| 1040 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.4 | |
| 2.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 | |
| 180 |
| Stiffness to Weight: Axial, points | 17 | |
| 12 |
| Stiffness to Weight: Bending, points | 56 | |
| 42 |
| Strength to Weight: Axial, points | 32 | |
| 17 |
| Strength to Weight: Bending, points | 39 | |
| 23 |
| Thermal Diffusivity, mm2/s | 60 | |
| 37 |
| Thermal Shock Resistance, points | 15 | |
| 9.1 |
Alloy Composition
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| Aluminum (Al), % | 73.9 to 80.6 | |
| 81.9 to 84.9 |
| Copper (Cu), % | 0.4 to 0.8 | |
| 9.5 to 10.5 |
| Iron (Fe), % | 0 to 1.5 | |
| 1.0 to 1.5 |
| Magnesium (Mg), % | 0.8 to 1.2 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0.2 to 0.6 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Silicon (Si), % | 18 to 20 | |
| 3.6 to 4.4 |
| Tin (Sn), % | 0 to 0.3 | |
| 0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 1.0 to 1.5 |
| Residuals, % | 0 to 0.5 | |
| 0 |