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2011 Aluminum vs. 5254 Aluminum

Both 2011 aluminum and 5254 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 2011 aluminum and the bottom bar is 5254 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
68
Elongation at Break, % 8.5 to 18
3.4 to 22
Fatigue Strength, MPa 74 to 120
110 to 160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 190 to 250
150 to 200
Tensile Strength: Ultimate (UTS), MPa 310 to 420
240 to 350
Tensile Strength: Yield (Proof), MPa 140 to 310
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
590
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140 to 170
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
32
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
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 29 to 52
11 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
73 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
51
Strength to Weight: Axial, points 27 to 37
25 to 37
Strength to Weight: Bending, points 32 to 40
32 to 41
Thermal Diffusivity, mm2/s 51 to 64
52
Thermal Shock Resistance, points 14 to 19
10 to 16

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
94.4 to 96.8
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0.15 to 0.35
Copper (Cu), % 5.0 to 6.0
0 to 0.050
Iron (Fe), % 0 to 0.7
0 to 0.45
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
3.1 to 3.9
Manganese (Mn), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0 to 0.45
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.3
0 to 0.2
Residuals, % 0
0 to 0.15