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2124 Aluminum vs. 2014A Aluminum

Both 2124 aluminum and 2014A aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is 2124 aluminum and the bottom bar is 2014A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 5.7
6.2 to 16
Fatigue Strength, MPa 130
93 to 150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 280
130 to 290
Tensile Strength: Ultimate (UTS), MPa 490
210 to 490
Tensile Strength: Yield (Proof), MPa 430
110 to 430

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
210
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 500
510
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
37
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
24 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
85 to 1300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 45
19 to 45
Strength to Weight: Bending, points 46
26 to 46
Thermal Diffusivity, mm2/s 58
55
Thermal Shock Resistance, points 21
9.0 to 22

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
90.8 to 95
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 3.8 to 4.9
3.9 to 5.0
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 1.2 to 1.8
0.2 to 0.8
Manganese (Mn), % 0.3 to 0.9
0.4 to 1.2
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0 to 0.2
0.5 to 0.9
Titanium (Ti), % 0 to 0.15
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15