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2011 Aluminum vs. 6018 Aluminum

Both 2011 aluminum and 6018 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 2011 aluminum and the bottom bar is 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 8.5 to 18
9.0 to 9.1
Fatigue Strength, MPa 74 to 120
85 to 89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 190 to 250
170 to 180
Tensile Strength: Ultimate (UTS), MPa 310 to 420
290 to 300
Tensile Strength: Yield (Proof), MPa 140 to 310
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
570
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 140 to 170
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
44
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
2.9
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 29 to 52
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
360 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
48
Strength to Weight: Axial, points 27 to 37
28 to 29
Strength to Weight: Bending, points 32 to 40
34 to 35
Thermal Diffusivity, mm2/s 51 to 64
65
Thermal Shock Resistance, points 14 to 19
13

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
93.1 to 97.8
Bismuth (Bi), % 0.2 to 0.6
0.4 to 0.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 5.0 to 6.0
0.15 to 0.4
Iron (Fe), % 0 to 0.7
0 to 0.7
Lead (Pb), % 0.2 to 0.6
0.4 to 1.2
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.3 to 0.8
Silicon (Si), % 0 to 0.4
0.5 to 1.2
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.3
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants