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2011A Aluminum vs. 5042 Aluminum

Both 2011A aluminum and 5042 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 2011A aluminum and the bottom bar is 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 6.8 to 16
1.1 to 3.4
Fatigue Strength, MPa 75 to 100
97 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190 to 250
200
Tensile Strength: Ultimate (UTS), MPa 310 to 410
340 to 360
Tensile Strength: Yield (Proof), MPa 140 to 310
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 7.9
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 40
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 670
550 to 720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
50
Strength to Weight: Axial, points 28 to 37
35 to 37
Strength to Weight: Bending, points 33 to 40
40 to 42
Thermal Diffusivity, mm2/s 49
53
Thermal Shock Resistance, points 14 to 18
15 to 16

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
94.2 to 96.8
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 4.5 to 6.0
0 to 0.15
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
3.0 to 4.0
Manganese (Mn), % 0
0.2 to 0.5
Silicon (Si), % 0 to 0.4
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.3
0 to 0.25
Residuals, % 0
0 to 0.15