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2618A Aluminum vs. 2011A Aluminum

Both 2618A aluminum and 2011A aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 2618A aluminum and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 4.5
6.8 to 16
Fatigue Strength, MPa 120
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 260
190 to 250
Tensile Strength: Ultimate (UTS), MPa 440
310 to 410
Tensile Strength: Yield (Proof), MPa 410
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 230
190
Melting Completion (Liquidus), °C 670
660
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
96

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.4
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
140 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
44
Strength to Weight: Axial, points 41
28 to 37
Strength to Weight: Bending, points 44
33 to 40
Thermal Diffusivity, mm2/s 59
49
Thermal Shock Resistance, points 19
14 to 18

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 1.8 to 2.7
4.5 to 6.0
Iron (Fe), % 0.9 to 1.4
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0.8 to 1.4
0
Silicon (Si), % 0.15 to 0.25
0 to 0.4
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0 to 0.3
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15