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8090 Aluminum vs. 4006 Aluminum

Both 8090 aluminum and 4006 aluminum are aluminum alloys. They have a very high 96% 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 8090 aluminum and the bottom bar is 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
69
Elongation at Break, % 3.5 to 13
3.4 to 24
Fatigue Strength, MPa 91 to 140
35 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 340 to 490
110 to 160
Tensile Strength: Yield (Proof), MPa 210 to 420
62 to 140

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 600
620
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 95 to 160
220
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
56
Electrical Conductivity: Equal Weight (Specific), % IACS 66
180

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.0
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.6
8.1
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
5.1 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
28 to 130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 34 to 49
11 to 16
Strength to Weight: Bending, points 39 to 50
19 to 24
Thermal Diffusivity, mm2/s 36 to 60
89
Thermal Shock Resistance, points 15 to 22
4.9 to 7.0

Alloy Composition

Aluminum (Al), % 93 to 98.4
97.4 to 98.7
Chromium (Cr), % 0 to 0.1
0 to 0.2
Copper (Cu), % 1.0 to 1.6
0 to 0.1
Iron (Fe), % 0 to 0.3
0.5 to 0.8
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0 to 0.010
Manganese (Mn), % 0 to 0.1
0 to 0.050
Silicon (Si), % 0 to 0.2
0.8 to 1.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.050
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.15