7050 Aluminum vs. 7075 Aluminum
Both 7050 aluminum and 7075 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 7050 aluminum and the bottom bar is 7075 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 2.2 to 12 | |
| 1.8 to 12 |
| Fatigue Strength, MPa | 130 to 210 | |
| 110 to 190 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 280 to 330 | |
| 150 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 240 to 590 |
| Tensile Strength: Yield (Proof), MPa | 390 to 500 | |
| 120 to 510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 200 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 490 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 870 |
| Thermal Conductivity, W/m-K | 140 | |
| 130 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 98 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 3.1 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 55 | |
| 7.8 to 44 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 to 1760 | |
| 110 to 1870 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 46 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 22 to 54 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 28 to 52 |
| Thermal Diffusivity, mm2/s | 54 | |
| 50 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 10 to 25 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 86.9 to 91.4 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 2.0 to 2.6 | |
| 1.2 to 2.0 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 2.1 to 2.9 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 to 0.2 |
| Zinc (Zn), % | 5.7 to 6.7 | |
| 5.1 to 6.1 |
| Zirconium (Zr), % | 0.080 to 0.15 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |