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7108 Aluminum vs. 8011A Aluminum

Both 7108 aluminum and 8011A 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 7108 aluminum and the bottom bar is 8011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 530
630
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
210
Thermal Expansion, µm/m-K 24
23

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
3.0 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 620
8.2 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 34
11 to 18
Strength to Weight: Bending, points 38
18 to 26
Thermal Diffusivity, mm2/s 59
86
Thermal Shock Resistance, points 16
4.6 to 8.1

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
97.5 to 99.1
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.1
0.5 to 1.0
Magnesium (Mg), % 0.7 to 1.4
0 to 0.1
Manganese (Mn), % 0 to 0.050
0 to 0.1
Silicon (Si), % 0 to 0.1
0.4 to 0.8
Titanium (Ti), % 0 to 0.050
0 to 0.050
Zinc (Zn), % 4.5 to 5.5
0 to 0.1
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0
0 to 0.15