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383.0 Aluminum vs. 8021 Aluminum

Both 383.0 aluminum and 8021 aluminum are aluminum alloys. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 383.0 aluminum and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 3.5
2.3
Fatigue Strength, MPa 150
61
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 280
160
Tensile Strength: Yield (Proof), MPa 150
130

Thermal Properties

Latent Heat of Fusion, J/g 540
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
650
Melting Onset (Solidus), °C 540
640
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 96
220
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
56
Electrical Conductivity: Equal Weight (Specific), % IACS 74
180

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.0
Density, g/cm3 2.8
2.8
Embodied Carbon, kg CO2/kg material 7.5
8.1
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1030
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 150
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 34
23
Thermal Diffusivity, mm2/s 39
88
Thermal Shock Resistance, points 13
7.0

Alloy Composition

Aluminum (Al), % 79.7 to 88.5
98 to 98.8
Copper (Cu), % 2.0 to 3.0
0 to 0.050
Iron (Fe), % 0 to 1.3
1.2 to 1.7
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.3
0
Silicon (Si), % 9.5 to 11.5
0 to 0.15
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0
0 to 0.15