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384.0 Aluminum vs. 2124 Aluminum

Both 384.0 aluminum and 2124 aluminum are aluminum alloys. They have 86% 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 384.0 aluminum and the bottom bar is 2124 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
71
Elongation at Break, % 2.5
5.7
Fatigue Strength, MPa 140
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Shear Strength, MPa 200
280
Tensile Strength: Ultimate (UTS), MPa 330
490
Tensile Strength: Yield (Proof), MPa 170
430

Thermal Properties

Latent Heat of Fusion, J/g 550
390
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 530
500
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 96
150
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
38
Electrical Conductivity: Equal Weight (Specific), % IACS 69
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 7.4
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1010
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
27
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 32
45
Strength to Weight: Bending, points 37
46
Thermal Diffusivity, mm2/s 39
58
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
91.3 to 94.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.5
3.8 to 4.9
Iron (Fe), % 0 to 1.3
0 to 0.3
Magnesium (Mg), % 0 to 0.1
1.2 to 1.8
Manganese (Mn), % 0 to 0.5
0.3 to 0.9
Nickel (Ni), % 0 to 0.5
0
Silicon (Si), % 10.5 to 12
0 to 0.2
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 3.0
0 to 0.25
Residuals, % 0 to 0.5
0 to 0.15