7075 Aluminum vs. 7022 Aluminum
Both 7075 aluminum and 7022 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. 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 7022 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 1.8 to 12 | |
| 6.3 to 8.0 |
| Fatigue Strength, MPa | 110 to 190 | |
| 140 to 170 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 150 to 340 | |
| 290 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 590 | |
| 490 to 540 |
| Tensile Strength: Yield (Proof), MPa | 120 to 510 | |
| 390 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 480 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 21 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 65 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 3.0 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.5 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 to 44 | |
| 29 to 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 1870 | |
| 1100 to 1500 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 47 |
| Strength to Weight: Axial, points | 22 to 54 | |
| 47 to 51 |
| Strength to Weight: Bending, points | 28 to 52 | |
| 47 to 50 |
| Thermal Diffusivity, mm2/s | 50 | |
| 54 |
| Thermal Shock Resistance, points | 10 to 25 | |
| 21 to 23 |
Alloy Composition
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| Aluminum (Al), % | 86.9 to 91.4 | |
| 87.9 to 92.4 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0.1 to 0.3 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 0.5 to 1.0 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 2.6 to 3.7 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.1 to 0.4 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 4.3 to 5.2 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |