296.0 Aluminum vs. 390.0 Aluminum
Both 296.0 aluminum and 390.0 aluminum are aluminum alloys. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is 296.0 aluminum and the bottom bar is 390.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 75 to 90 | |
| 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 75 |
| Elongation at Break, % | 3.2 to 7.1 | |
| 1.0 |
| Fatigue Strength, MPa | 47 to 70 | |
| 76 to 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 270 | |
| 280 to 300 |
| Tensile Strength: Yield (Proof), MPa | 120 to 180 | |
| 240 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 640 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 650 |
| Melting Onset (Solidus), °C | 540 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 to 150 | |
| 130 |
| Thermal Expansion, µm/m-K | 22 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 to 37 | |
| 24 to 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 to 110 | |
| 79 to 83 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 7.3 |
| Embodied Energy, MJ/kg | 150 | |
| 130 |
| Embodied Water, L/kg | 1110 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.6 to 15 | |
| 2.7 to 2.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 220 | |
| 380 to 470 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 46 | |
| 52 |
| Strength to Weight: Axial, points | 24 to 25 | |
| 28 to 30 |
| Strength to Weight: Bending, points | 30 to 31 | |
| 35 to 36 |
| Thermal Diffusivity, mm2/s | 51 to 56 | |
| 56 |
| Thermal Shock Resistance, points | 12 | |
| 14 to 15 |
Alloy Composition
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| Aluminum (Al), % | 89 to 94 | |
| 74.5 to 79.6 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0 to 1.2 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 0 to 0.050 | |
| 0.45 to 0.65 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.35 | |
| 0 |
| Silicon (Si), % | 2.0 to 3.0 | |
| 16 to 18 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.35 | |
| 0 to 0.2 |