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328.0 Aluminum vs. 2124 Aluminum

Both 328.0 aluminum and 2124 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 328.0 aluminum and the bottom bar is 2124 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
71
Elongation at Break, % 1.6 to 2.1
5.7
Fatigue Strength, MPa 55 to 80
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 200 to 270
490
Tensile Strength: Yield (Proof), MPa 120 to 170
430

Thermal Properties

Latent Heat of Fusion, J/g 510
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 560
500
Specific Heat Capacity, J/kg-K 890
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
38
Electrical Conductivity: Equal Weight (Specific), % IACS 99
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 7.8
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1070
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.0
27
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 200
1290
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 21 to 28
45
Strength to Weight: Bending, points 28 to 34
46
Thermal Diffusivity, mm2/s 50
58
Thermal Shock Resistance, points 9.2 to 12
21

Alloy Composition


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Aluminum (Al), % 84.5 to 91.1
91.3 to 94.7
Chromium (Cr), % 0 to 0.35
0 to 0.1
Copper (Cu), % 1.0 to 2.0
3.8 to 4.9
Iron (Fe), % 0 to 1.0
0 to 0.3
Magnesium (Mg), % 0.2 to 0.6
1.2 to 1.8
Manganese (Mn), % 0.2 to 0.6
0.3 to 0.9
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 7.5 to 8.5
0 to 0.2
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 1.5
0 to 0.25
Residuals, % 0 to 0.5
0 to 0.15