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1050A Aluminum vs. 2124 Aluminum

Both 1050A aluminum and 2124 aluminum are aluminum alloys. They have a moderately high 93% 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 1050A aluminum and the bottom bar is 2124 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.1 to 33
5.7
Fatigue Strength, MPa 22 to 55
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 44 to 97
280
Tensile Strength: Ultimate (UTS), MPa 68 to 170
490
Tensile Strength: Yield (Proof), MPa 22 to 150
430

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 650
500
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
38
Electrical Conductivity: Equal Weight (Specific), % IACS 200
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1200
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
27
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 6.9 to 18
45
Strength to Weight: Bending, points 14 to 25
46
Thermal Diffusivity, mm2/s 94
58
Thermal Shock Resistance, points 3.0 to 7.6
21

Alloy Composition

Aluminum (Al), % 99.5 to 100
91.3 to 94.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
3.8 to 4.9
Iron (Fe), % 0 to 0.4
0 to 0.3
Magnesium (Mg), % 0 to 0.050
1.2 to 1.8
Manganese (Mn), % 0 to 0.050
0.3 to 0.9
Silicon (Si), % 0 to 0.25
0 to 0.2
Titanium (Ti), % 0 to 0.050
0 to 0.15
Zinc (Zn), % 0 to 0.070
0 to 0.25
Residuals, % 0
0 to 0.15