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2011A Aluminum vs. 8079 Aluminum

Both 2011A aluminum and 8079 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 (1, in this case) are not shown.

For each property being compared, the top bar is 2011A aluminum and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 6.8 to 16
2.2
Fatigue Strength, MPa 75 to 100
56
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 310 to 410
150
Tensile Strength: Yield (Proof), MPa 140 to 310
120

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 660
650
Melting Onset (Solidus), °C 550
640
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
58
Electrical Conductivity: Equal Weight (Specific), % IACS 96
190

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 3.1
2.8
Embodied Carbon, kg CO2/kg material 7.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 40
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 670
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
50
Strength to Weight: Axial, points 28 to 37
15
Strength to Weight: Bending, points 33 to 40
22
Thermal Diffusivity, mm2/s 49
92
Thermal Shock Resistance, points 14 to 18
6.4

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
98.1 to 99.3
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 4.5 to 6.0
0 to 0.050
Iron (Fe), % 0 to 0.5
0.7 to 1.3
Lead (Pb), % 0.2 to 0.6
0
Silicon (Si), % 0 to 0.4
0.050 to 0.3
Zinc (Zn), % 0 to 0.3
0 to 0.1
Residuals, % 0
0 to 0.15