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8011A Aluminum vs. 7108A Aluminum

Both 8011A aluminum and 7108A aluminum are aluminum alloys. They have a moderately high 94% 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 8011A aluminum and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 1.7 to 28
11 to 13
Fatigue Strength, MPa 33 to 76
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 100 to 180
350
Tensile Strength: Yield (Proof), MPa 34 to 170
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 630
520
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 210
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
36
Electrical Conductivity: Equal Weight (Specific), % IACS 180
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
10
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
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
610 to 640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 11 to 18
33 to 34
Strength to Weight: Bending, points 18 to 26
38
Thermal Diffusivity, mm2/s 86
59
Thermal Shock Resistance, points 4.6 to 8.1
15 to 16

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
91.6 to 94.4
Chromium (Cr), % 0 to 0.1
0 to 0.040
Copper (Cu), % 0 to 0.1
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0.5 to 1.0
0 to 0.3
Magnesium (Mg), % 0 to 0.1
0.7 to 1.5
Manganese (Mn), % 0 to 0.1
0 to 0.050
Silicon (Si), % 0.4 to 0.8
0 to 0.2
Titanium (Ti), % 0 to 0.050
0 to 0.030
Zinc (Zn), % 0 to 0.1
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15