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5082 Aluminum vs. 2011A Aluminum

Both 5082 aluminum and 2011A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 5082 aluminum and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 1.1
6.8 to 16
Fatigue Strength, MPa 110 to 130
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 210 to 230
190 to 250
Tensile Strength: Ultimate (UTS), MPa 380 to 400
310 to 410
Tensile Strength: Yield (Proof), MPa 300 to 340
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
96

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.9
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
140 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
44
Strength to Weight: Axial, points 39 to 41
28 to 37
Strength to Weight: Bending, points 43 to 45
33 to 40
Thermal Diffusivity, mm2/s 54
49
Thermal Shock Resistance, points 17 to 18
14 to 18

Alloy Composition

Aluminum (Al), % 93.5 to 96
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
4.5 to 6.0
Iron (Fe), % 0 to 0.35
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.3
Residuals, % 0
0 to 0.15