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8090 Aluminum vs. 6018 Aluminum

Both 8090 aluminum and 6018 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 8090 aluminum and the bottom bar is 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
69
Elongation at Break, % 3.5 to 13
9.0 to 9.1
Fatigue Strength, MPa 91 to 140
85 to 89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 340 to 490
290 to 300
Tensile Strength: Yield (Proof), MPa 210 to 420
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 960
890
Thermal Conductivity, W/m-K 95 to 160
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
44
Electrical Conductivity: Equal Weight (Specific), % IACS 66
140

Otherwise Unclassified Properties

Base Metal Price, % relative 18
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.6
8.2
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
360 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
48
Strength to Weight: Axial, points 34 to 49
28 to 29
Strength to Weight: Bending, points 39 to 50
34 to 35
Thermal Diffusivity, mm2/s 36 to 60
65
Thermal Shock Resistance, points 15 to 22
13

Alloy Composition


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Aluminum (Al), % 93 to 98.4
93.1 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 1.0 to 1.6
0.15 to 0.4
Iron (Fe), % 0 to 0.3
0 to 0.7
Lead (Pb), % 0
0.4 to 1.2
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0.6 to 1.2
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Silicon (Si), % 0 to 0.2
0.5 to 1.2
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.25
0 to 0.3
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.15

Comparable Variants