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8021 Aluminum vs. 201.0 Aluminum

Both 8021 aluminum and 201.0 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 8021 aluminum and the bottom bar is 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 2.3
4.4 to 20
Fatigue Strength, MPa 61
120 to 150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 160
370 to 470
Tensile Strength: Yield (Proof), MPa 130
220 to 400

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 640
570
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 220
120
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
30 to 33
Electrical Conductivity: Equal Weight (Specific), % IACS 180
87 to 97

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
38
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.7
Embodied Energy, MJ/kg 150
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
19 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 130
330 to 1160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
45
Strength to Weight: Axial, points 16
33 to 42
Strength to Weight: Bending, points 23
37 to 44
Thermal Diffusivity, mm2/s 88
45
Thermal Shock Resistance, points 7.0
19 to 25

Alloy Composition

Aluminum (Al), % 98 to 98.8
92.1 to 95.1
Copper (Cu), % 0 to 0.050
4.0 to 5.2
Iron (Fe), % 1.2 to 1.7
0 to 0.15
Magnesium (Mg), % 0
0.15 to 0.55
Manganese (Mn), % 0
0.2 to 0.5
Silicon (Si), % 0 to 0.15
0 to 0.1
Silver (Ag), % 0
0.4 to 1.0
Titanium (Ti), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.1