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8011A Aluminum vs. 7020 Aluminum

Both 8011A aluminum and 7020 aluminum are aluminum alloys. They have a moderately high 94% 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 8011A aluminum and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
45 to 100
Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 1.7 to 28
8.4 to 14
Fatigue Strength, MPa 33 to 76
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 100 to 180
190 to 390
Tensile Strength: Yield (Proof), MPa 34 to 170
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 630
610
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 210
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
39
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
110 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 11 to 18
18 to 37
Strength to Weight: Bending, points 18 to 26
25 to 41
Thermal Diffusivity, mm2/s 86
59
Thermal Shock Resistance, points 4.6 to 8.1
8.3 to 17

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
91.2 to 94.8
Chromium (Cr), % 0 to 0.1
0.1 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0.5 to 1.0
0 to 0.4
Magnesium (Mg), % 0 to 0.1
1.0 to 1.4
Manganese (Mn), % 0 to 0.1
0.050 to 0.5
Silicon (Si), % 0.4 to 0.8
0 to 0.35
Titanium (Ti), % 0 to 0.050
0 to 0.25
Zinc (Zn), % 0 to 0.1
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants