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8021 Aluminum vs. 319.0 Aluminum

Both 8021 aluminum and 319.0 aluminum are aluminum alloys. They have 89% 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 8021 aluminum and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
72
Elongation at Break, % 2.3
1.8 to 2.0
Fatigue Strength, MPa 61
76 to 80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 160
190 to 240
Tensile Strength: Yield (Proof), MPa 130
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 400
480
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 640
540
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 220
110
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
27
Electrical Conductivity: Equal Weight (Specific), % IACS 180
84

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
10
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 8.1
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 130
88 to 220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
48
Strength to Weight: Axial, points 16
18 to 24
Strength to Weight: Bending, points 23
25 to 30
Thermal Diffusivity, mm2/s 88
44
Thermal Shock Resistance, points 7.0
8.6 to 11

Alloy Composition

Aluminum (Al), % 98 to 98.8
85.8 to 91.5
Copper (Cu), % 0 to 0.050
3.0 to 4.0
Iron (Fe), % 1.2 to 1.7
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.35
Silicon (Si), % 0 to 0.15
5.5 to 6.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5