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3104 Aluminum vs. 2011 Aluminum

Both 3104 aluminum and 2011 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 3104 aluminum and the bottom bar is 2011 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 1.1 to 20
8.5 to 18
Fatigue Strength, MPa 74 to 130
74 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110 to 180
190 to 250
Tensile Strength: Ultimate (UTS), MPa 170 to 310
310 to 420
Tensile Strength: Yield (Proof), MPa 68 to 270
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
540
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 160
140 to 170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
35 to 45
Electrical Conductivity: Equal Weight (Specific), % IACS 130
100 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.4
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 60
29 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 34 to 540
140 to 680
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
44
Strength to Weight: Axial, points 17 to 31
27 to 37
Strength to Weight: Bending, points 25 to 37
32 to 40
Thermal Diffusivity, mm2/s 64
51 to 64
Thermal Shock Resistance, points 7.6 to 13
14 to 19

Alloy Composition

Aluminum (Al), % 95.1 to 98.4
91.3 to 94.6
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 0.050 to 0.25
5.0 to 6.0
Gallium (Ga), % 0 to 0.050
0
Iron (Fe), % 0 to 0.8
0 to 0.7
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 0.8 to 1.4
0
Silicon (Si), % 0 to 0.6
0 to 0.4
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.25
0 to 0.3
Residuals, % 0
0 to 0.15