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2036 Aluminum vs. 8021 Aluminum

Both 2036 aluminum and 8021 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 29 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 2036 aluminum and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 24
2.3
Fatigue Strength, MPa 130
61
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 340
160
Tensile Strength: Yield (Proof), MPa 200
130

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 560
640
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 160
220
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
56
Electrical Conductivity: Equal Weight (Specific), % IACS 130
180

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.0
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.1
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 270
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 48
49
Strength to Weight: Axial, points 33
16
Strength to Weight: Bending, points 38
23
Thermal Diffusivity, mm2/s 62
88
Thermal Shock Resistance, points 15
7.0

Alloy Composition

Aluminum (Al), % 94.4 to 97.4
98 to 98.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 3.0
0 to 0.050
Iron (Fe), % 0 to 0.5
1.2 to 1.7
Magnesium (Mg), % 0.3 to 0.6
0
Manganese (Mn), % 0.1 to 0.4
0
Silicon (Si), % 0 to 0.5
0 to 0.15
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.15