7022 Aluminum vs. 2017A Aluminum
Both 7022 aluminum and 2017A aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 7022 aluminum and the bottom bar is 2017A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 70 | |
71 |
Elongation at Break, % | 6.3 to 8.0 | |
2.2 to 14 |
Fatigue Strength, MPa | 140 to 170 | |
92 to 130 |
Poisson's Ratio | 0.32 | |
0.33 |
Shear Modulus, GPa | 26 | |
27 |
Shear Strength, MPa | 290 to 320 | |
120 to 270 |
Tensile Strength: Ultimate (UTS), MPa | 490 to 540 | |
200 to 460 |
Tensile Strength: Yield (Proof), MPa | 390 to 460 | |
110 to 290 |
Thermal Properties
Latent Heat of Fusion, J/g | 380 | |
390 |
Maximum Temperature: Mechanical, °C | 200 | |
220 |
Melting Completion (Liquidus), °C | 640 | |
650 |
Melting Onset (Solidus), °C | 480 | |
510 |
Specific Heat Capacity, J/kg-K | 870 | |
880 |
Thermal Conductivity, W/m-K | 140 | |
150 |
Thermal Expansion, µm/m-K | 24 | |
23 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 21 | |
34 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 65 | |
100 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 10 | |
11 |
Density, g/cm3 | 2.9 | |
3.0 |
Embodied Carbon, kg CO2/kg material | 8.5 | |
8.2 |
Embodied Energy, MJ/kg | 150 | |
150 |
Embodied Water, L/kg | 1130 | |
1140 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 29 to 40 | |
6.7 to 53 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1100 to 1500 | |
90 to 570 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 47 | |
46 |
Strength to Weight: Axial, points | 47 to 51 | |
19 to 42 |
Strength to Weight: Bending, points | 47 to 50 | |
26 to 44 |
Thermal Diffusivity, mm2/s | 54 | |
56 |
Thermal Shock Resistance, points | 21 to 23 | |
8.9 to 20 |
Alloy Composition
Aluminum (Al), % | 87.9 to 92.4 | |
91.3 to 95.5 |
Chromium (Cr), % | 0.1 to 0.3 | |
0 to 0.1 |
Copper (Cu), % | 0.5 to 1.0 | |
3.5 to 4.5 |
Iron (Fe), % | 0 to 0.5 | |
0 to 0.7 |
Magnesium (Mg), % | 2.6 to 3.7 | |
0.4 to 1.0 |
Manganese (Mn), % | 0.1 to 0.4 | |
0.4 to 1.0 |
Silicon (Si), % | 0 to 0.5 | |
0.2 to 0.8 |
Titanium (Ti), % | 0 to 0.2 | |
0 to 0.25 |
Zinc (Zn), % | 4.3 to 5.2 | |
0 to 0.25 |
Zirconium (Zr), % | 0 to 0.2 | |
0 to 0.25 |
Residuals, % | 0 | |
0 to 0.15 |