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5021 Aluminum vs. 5059 Aluminum

Both 5021 aluminum and 5059 aluminum are aluminum alloys. They have a very high 96% 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 5021 aluminum and the bottom bar is 5059 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 1.1 to 3.4
11 to 25
Fatigue Strength, MPa 85 to 110
170 to 240
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 170
220 to 250
Tensile Strength: Ultimate (UTS), MPa 300 to 310
350 to 410
Tensile Strength: Yield (Proof), MPa 240 to 270
170 to 300

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 590
510
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
29
Electrical Conductivity: Equal Weight (Specific), % IACS 120
95

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.6
9.1
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 10
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 550
220 to 650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 30 to 32
36 to 42
Strength to Weight: Bending, points 37
41 to 45
Thermal Diffusivity, mm2/s 57
44
Thermal Shock Resistance, points 13 to 14
16 to 18

Alloy Composition

Aluminum (Al), % 95.2 to 97.7
89.9 to 94
Chromium (Cr), % 0 to 0.15
0 to 0.25
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 2.2 to 2.8
5.0 to 6.0
Manganese (Mn), % 0.1 to 0.5
0.6 to 1.2
Silicon (Si), % 0 to 0.4
0 to 0.45
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.15
0.4 to 0.9
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15