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6066 Aluminum vs. 2011A Aluminum

Both 6066 aluminum and 2011A aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 6066 aluminum and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 7.8 to 17
6.8 to 16
Fatigue Strength, MPa 94 to 130
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 95 to 240
190 to 250
Tensile Strength: Ultimate (UTS), MPa 160 to 400
310 to 410
Tensile Strength: Yield (Proof), MPa 93 to 360
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 890
870
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
96

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.3
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 52
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 920
140 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
44
Strength to Weight: Axial, points 16 to 39
28 to 37
Strength to Weight: Bending, points 23 to 43
33 to 40
Thermal Diffusivity, mm2/s 61
49
Thermal Shock Resistance, points 6.9 to 17
14 to 18

Alloy Composition

Aluminum (Al), % 93 to 97
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0.7 to 1.2
4.5 to 6.0
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 0.8 to 1.4
0
Manganese (Mn), % 0.6 to 1.1
0
Silicon (Si), % 0.9 to 1.8
0 to 0.4
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants