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8021 Aluminum vs. 1435 Aluminum

Both 8021 aluminum and 1435 aluminum are aluminum alloys. They have a very high 99% 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 8021 aluminum and the bottom bar is 1435 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 2.3
4.1 to 32
Fatigue Strength, MPa 61
27 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 160
81 to 150
Tensile Strength: Yield (Proof), MPa 130
23 to 130

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 640
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 220
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
60
Electrical Conductivity: Equal Weight (Specific), % IACS 180
200

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.0
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
5.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 130
3.8 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 16
8.3 to 15
Strength to Weight: Bending, points 23
15 to 23
Thermal Diffusivity, mm2/s 88
93
Thermal Shock Resistance, points 7.0
3.6 to 6.7

Alloy Composition

Aluminum (Al), % 98 to 98.8
99.35 to 99.7
Copper (Cu), % 0 to 0.050
0 to 0.020
Iron (Fe), % 1.2 to 1.7
0.3 to 0.5
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0 to 0.15
0 to 0.15
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.15
0