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2011-T651 Aluminum vs. 2024-T651 Aluminum

Both 2011-T651 aluminum and 2024-T651 aluminum are aluminum alloys. Both are furnished in the T651 temper. 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-T651 aluminum and the bottom bar is 2024-T651 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 10
4.5
Fatigue Strength, MPa 120
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 250
280
Tensile Strength: Ultimate (UTS), MPa 420
480
Tensile Strength: Yield (Proof), MPa 310
360

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
500
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
30
Electrical Conductivity: Equal Weight (Specific), % IACS 100
90

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 7.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
20
Resilience: Unit (Modulus of Resilience), kJ/m3 670
910
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
46
Strength to Weight: Axial, points 37
44
Strength to Weight: Bending, points 40
45
Thermal Diffusivity, mm2/s 51
46
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
90.7 to 94.7
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 5.0 to 6.0
3.8 to 4.9
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0.3 to 0.9
Silicon (Si), % 0 to 0.4
0 to 0.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.3
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15