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2124 Aluminum vs. 444.0 Aluminum

Both 2124 aluminum and 444.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 2124 aluminum and the bottom bar is 444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 5.7
25
Fatigue Strength, MPa 130
51
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 490
190
Tensile Strength: Yield (Proof), MPa 430
83

Thermal Properties

Latent Heat of Fusion, J/g 390
500
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 500
600
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
2.6
Embodied Carbon, kg CO2/kg material 8.2
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
39
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
49
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
53
Strength to Weight: Axial, points 45
20
Strength to Weight: Bending, points 46
28
Thermal Diffusivity, mm2/s 58
67
Thermal Shock Resistance, points 21
8.8

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
90.5 to 93.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
0 to 0.25
Iron (Fe), % 0 to 0.3
0 to 0.6
Magnesium (Mg), % 1.2 to 1.8
0 to 0.1
Manganese (Mn), % 0.3 to 0.9
0 to 0.35
Silicon (Si), % 0 to 0.2
6.5 to 7.5
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.25
0 to 0.35
Residuals, % 0
0 to 0.15