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5383 Aluminum vs. 8021 Aluminum

Both 5383 aluminum and 8021 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 5383 aluminum and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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