7075 Aluminum vs. 7050 Aluminum
Both 7075 aluminum and 7050 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 7075 aluminum and the bottom bar is 7050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 1.8 to 12 | |
| 2.2 to 12 |
| Fatigue Strength, MPa | 110 to 190 | |
| 130 to 210 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 150 to 340 | |
| 280 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 590 | |
| 490 to 570 |
| Tensile Strength: Yield (Proof), MPa | 120 to 510 | |
| 390 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 630 |
| Melting Onset (Solidus), °C | 480 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 860 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 3.0 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 to 44 | |
| 10 to 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 1870 | |
| 1110 to 1760 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 45 |
| Strength to Weight: Axial, points | 22 to 54 | |
| 45 to 51 |
| Strength to Weight: Bending, points | 28 to 52 | |
| 45 to 50 |
| Thermal Diffusivity, mm2/s | 50 | |
| 54 |
| Thermal Shock Resistance, points | 10 to 25 | |
| 21 to 25 |
Alloy Composition
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| Aluminum (Al), % | 86.9 to 91.4 | |
| 87.3 to 92.1 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 to 0.040 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 2.0 to 2.6 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.12 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.060 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 5.7 to 6.7 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0.080 to 0.15 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |