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5056 Aluminum vs. 2024 Aluminum

Both 5056 aluminum and 2024 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5056 aluminum and the bottom bar is 2024 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
71
Elongation at Break, % 4.9 to 31
4.0 to 16
Fatigue Strength, MPa 140 to 200
90 to 180
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Shear Strength, MPa 170 to 240
130 to 320
Tensile Strength: Ultimate (UTS), MPa 290 to 460
200 to 540
Tensile Strength: Yield (Proof), MPa 150 to 410
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 570
500
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
30
Electrical Conductivity: Equal Weight (Specific), % IACS 99
90

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Calomel Potential, mV -780
-600
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 9.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
20 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
70 to 1680
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 30 to 48
18 to 50
Strength to Weight: Bending, points 36 to 50
25 to 49
Thermal Diffusivity, mm2/s 53
46
Thermal Shock Resistance, points 13 to 20
8.6 to 24

Alloy Composition

Aluminum (Al), % 93 to 95.4
90.7 to 94.7
Chromium (Cr), % 0.050 to 0.2
0 to 0.1
Copper (Cu), % 0 to 0.1
3.8 to 4.9
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 4.5 to 5.6
1.2 to 1.8
Manganese (Mn), % 0.050 to 0.2
0.3 to 0.9
Silicon (Si), % 0 to 0.3
0 to 0.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.1
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants