7050 Aluminum vs. 7116 Aluminum
Both 7050 aluminum and 7116 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is 7050 aluminum and the bottom bar is 7116 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 69 |
| Elongation at Break, % | 2.2 to 12 | |
| 7.8 |
| Fatigue Strength, MPa | 130 to 210 | |
| 160 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 280 to 330 | |
| 220 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 370 |
| Tensile Strength: Yield (Proof), MPa | 390 to 500 | |
| 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 490 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 880 |
| Thermal Conductivity, W/m-K | 140 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 46 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 55 | |
| 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 to 1760 | |
| 790 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 47 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 35 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 39 |
| Thermal Diffusivity, mm2/s | 54 | |
| 58 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 91.5 to 94.5 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0 |
| Copper (Cu), % | 2.0 to 2.6 | |
| 0.5 to 1.1 |
| Gallium (Ga), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 0.8 to 1.4 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 to 0.050 |
| Vanadium (V), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 5.7 to 6.7 | |
| 4.2 to 5.2 |
| Zirconium (Zr), % | 0.080 to 0.15 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |