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710.0 Aluminum vs. 8021 Aluminum

Both 710.0 aluminum and 8021 aluminum are aluminum alloys. They have a moderately high 92% 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 710.0 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, % 2.2 to 3.6
2.3
Fatigue Strength, MPa 55 to 110
61
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 240 to 250
160
Tensile Strength: Yield (Proof), MPa 160
130

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 610
640
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140
220
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
56
Electrical Conductivity: Equal Weight (Specific), % IACS 110
180

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.0
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.9 to 7.9
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 190
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
49
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 29
23
Thermal Diffusivity, mm2/s 53
88
Thermal Shock Resistance, points 10 to 11
7.0

Alloy Composition

Aluminum (Al), % 90.5 to 93.1
98 to 98.8
Copper (Cu), % 0.35 to 0.65
0 to 0.050
Iron (Fe), % 0 to 0.5
1.2 to 1.7
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.15
0 to 0.15
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0
0 to 0.15