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3105 Aluminum vs. 2011A Aluminum

Both 3105 aluminum and 2011A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 3105 aluminum and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 1.1 to 20
6.8 to 16
Fatigue Strength, MPa 39 to 95
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 77 to 140
190 to 250
Tensile Strength: Ultimate (UTS), MPa 120 to 240
310 to 410
Tensile Strength: Yield (Proof), MPa 46 to 220
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 660
660
Melting Onset (Solidus), °C 640
550
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
96

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.2
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
140 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
44
Strength to Weight: Axial, points 12 to 24
28 to 37
Strength to Weight: Bending, points 20 to 31
33 to 40
Thermal Diffusivity, mm2/s 68
49
Thermal Shock Resistance, points 5.2 to 11
14 to 18

Alloy Composition

Aluminum (Al), % 96 to 99.5
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
4.5 to 6.0
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.6
0 to 0.4
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0 to 0.3
Residuals, % 0
0 to 0.15