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2014 Aluminum vs. 8021 Aluminum

Both 2014 aluminum and 8021 aluminum are aluminum alloys. They have a moderately high 93% 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 2014 aluminum and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 1.5 to 16
2.3
Fatigue Strength, MPa 90 to 160
61
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 190 to 500
160
Tensile Strength: Yield (Proof), MPa 100 to 440
130

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 510
640
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
220
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
56
Electrical Conductivity: Equal Weight (Specific), % IACS 120
180

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.1
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6 to 56
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 1330
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
49
Strength to Weight: Axial, points 18 to 46
16
Strength to Weight: Bending, points 25 to 46
23
Thermal Diffusivity, mm2/s 58
88
Thermal Shock Resistance, points 8.4 to 22
7.0

Alloy Composition

Aluminum (Al), % 90.4 to 95
98 to 98.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
0 to 0.050
Iron (Fe), % 0 to 0.7
1.2 to 1.7
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.4 to 1.2
0
Silicon (Si), % 0.5 to 1.2
0 to 0.15
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15