7050 Aluminum vs. 5082 Aluminum
Both 7050 aluminum and 5082 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common.
For each property being compared, the top bar is 7050 aluminum and the bottom bar is 5082 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 67 |
| Elongation at Break, % | 2.2 to 12 | |
| 1.1 |
| Fatigue Strength, MPa | 130 to 210 | |
| 110 to 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 25 |
| Shear Strength, MPa | 280 to 330 | |
| 210 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 380 to 400 |
| Tensile Strength: Yield (Proof), MPa | 390 to 500 | |
| 300 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 180 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 490 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 910 |
| Thermal Conductivity, W/m-K | 140 | |
| 130 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.9 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 55 | |
| 4.0 to 4.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 to 1760 | |
| 670 to 870 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 51 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 39 to 41 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 43 to 45 |
| Thermal Diffusivity, mm2/s | 54 | |
| 54 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 17 to 18 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 93.5 to 96 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0 to 0.15 |
| Copper (Cu), % | 2.0 to 2.6 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 4.0 to 5.0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 to 0.1 |
| Zinc (Zn), % | 5.7 to 6.7 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0.080 to 0.15 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |