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5154 Aluminum vs. 2124 Aluminum

Both 5154 aluminum and 2124 aluminum are aluminum alloys. They have a very high 95% 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 5154 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, % 3.4 to 20
5.7
Fatigue Strength, MPa 100 to 160
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 140 to 210
280
Tensile Strength: Ultimate (UTS), MPa 240 to 360
490
Tensile Strength: Yield (Proof), MPa 94 to 270
430

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
500
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
38
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 39
27
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 540
1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 25 to 37
45
Strength to Weight: Bending, points 32 to 42
46
Thermal Diffusivity, mm2/s 52
58
Thermal Shock Resistance, points 10 to 16
21

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
91.3 to 94.7
Chromium (Cr), % 0.15 to 0.35
0 to 0.1
Copper (Cu), % 0 to 0.1
3.8 to 4.9
Iron (Fe), % 0 to 0.4
0 to 0.3
Magnesium (Mg), % 3.1 to 3.9
1.2 to 1.8
Manganese (Mn), % 0 to 0.1
0.3 to 0.9
Silicon (Si), % 0 to 0.25
0 to 0.2
Titanium (Ti), % 0 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15