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7022 Aluminum vs. 8011A Aluminum

Both 7022 aluminum and 8011A aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7022 aluminum and the bottom bar is 8011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 6.3 to 8.0
1.7 to 28
Fatigue Strength, MPa 140 to 170
33 to 76
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 490 to 540
100 to 180
Tensile Strength: Yield (Proof), MPa 390 to 460
34 to 170

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 480
630
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140
210
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
56
Electrical Conductivity: Equal Weight (Specific), % IACS 65
180

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.0
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
3.0 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
8.2 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 47 to 51
11 to 18
Strength to Weight: Bending, points 47 to 50
18 to 26
Thermal Diffusivity, mm2/s 54
86
Thermal Shock Resistance, points 21 to 23
4.6 to 8.1

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
97.5 to 99.1
Chromium (Cr), % 0.1 to 0.3
0 to 0.1
Copper (Cu), % 0.5 to 1.0
0 to 0.1
Iron (Fe), % 0 to 0.5
0.5 to 1.0
Magnesium (Mg), % 2.6 to 3.7
0 to 0.1
Manganese (Mn), % 0.1 to 0.4
0 to 0.1
Silicon (Si), % 0 to 0.5
0.4 to 0.8
Titanium (Ti), % 0 to 0.2
0 to 0.050
Zinc (Zn), % 4.3 to 5.2
0 to 0.1
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15