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1070 Aluminum vs. 2011A Aluminum

Both 1070 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 1070 aluminum and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 4.5 to 39
6.8 to 16
Fatigue Strength, MPa 22 to 49
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 48 to 79
190 to 250
Tensile Strength: Ultimate (UTS), MPa 73 to 140
310 to 410
Tensile Strength: Yield (Proof), MPa 17 to 120
140 to 310

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
33
Electrical Conductivity: Equal Weight (Specific), % IACS 200
96

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.3
7.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
140 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
44
Strength to Weight: Axial, points 7.5 to 14
28 to 37
Strength to Weight: Bending, points 14 to 22
33 to 40
Thermal Diffusivity, mm2/s 94
49
Thermal Shock Resistance, points 3.3 to 6.1
14 to 18

Alloy Composition

Aluminum (Al), % 99.7 to 100
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 0 to 0.040
4.5 to 6.0
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0 to 0.3
Residuals, % 0
0 to 0.15