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2011 Aluminum vs. 2025 Aluminum

Both 2011 aluminum and 2025 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 2011 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 8.5 to 18
15
Fatigue Strength, MPa 74 to 120
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 190 to 250
240
Tensile Strength: Ultimate (UTS), MPa 310 to 420
400
Tensile Strength: Yield (Proof), MPa 140 to 310
260

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
520
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 140 to 170
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 7.9
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
55
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
46
Strength to Weight: Axial, points 27 to 37
37
Strength to Weight: Bending, points 32 to 40
40
Thermal Diffusivity, mm2/s 51 to 64
58
Thermal Shock Resistance, points 14 to 19
18

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
90.9 to 95.2
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 5.0 to 6.0
3.9 to 5.0
Iron (Fe), % 0 to 0.7
0 to 1.0
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0.4 to 1.2
Silicon (Si), % 0 to 0.4
0.5 to 1.2
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.3
0 to 0.25
Residuals, % 0
0 to 0.15