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201.0 Aluminum vs. 8021 Aluminum

Both 201.0 aluminum and 8021 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 201.0 aluminum and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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