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5051A Aluminum vs. 2024 Aluminum

Both 5051A aluminum and 2024 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 5051A aluminum and the bottom bar is 2024 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 18 to 21
4.0 to 16
Fatigue Strength, MPa 51 to 61
90 to 180
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110
130 to 320
Tensile Strength: Ultimate (UTS), MPa 170
200 to 540
Tensile Strength: Yield (Proof), MPa 56
100 to 490

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
500
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
30
Electrical Conductivity: Equal Weight (Specific), % IACS 130
90

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
20 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 23
70 to 1680
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 17 to 18
18 to 50
Strength to Weight: Bending, points 25
25 to 49
Thermal Diffusivity, mm2/s 63
46
Thermal Shock Resistance, points 7.6
8.6 to 24

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
90.7 to 94.7
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.050
3.8 to 4.9
Iron (Fe), % 0 to 0.45
0 to 0.5
Magnesium (Mg), % 1.4 to 2.1
1.2 to 1.8
Manganese (Mn), % 0 to 0.25
0.3 to 0.9
Silicon (Si), % 0 to 0.3
0 to 0.5
Titanium (Ti), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants