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8021 Aluminum vs. 5383 Aluminum

Both 8021 aluminum and 5383 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 8021 aluminum and the bottom bar is 5383 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 2.3
6.7 to 15
Fatigue Strength, MPa 61
130 to 200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 160
310 to 370
Tensile Strength: Yield (Proof), MPa 130
150 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 640
540
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 220
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
29
Electrical Conductivity: Equal Weight (Specific), % IACS 180
97

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.1
9.0
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
23 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 130
170 to 690
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 16
32 to 38
Strength to Weight: Bending, points 23
38 to 42
Thermal Diffusivity, mm2/s 88
51
Thermal Shock Resistance, points 7.0
14 to 16

Alloy Composition

Aluminum (Al), % 98 to 98.8
92 to 95.3
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.050
0 to 0.2
Iron (Fe), % 1.2 to 1.7
0 to 0.25
Magnesium (Mg), % 0
4.0 to 5.2
Manganese (Mn), % 0
0.7 to 1.0
Silicon (Si), % 0 to 0.15
0 to 0.25
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.4
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15