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8090 Aluminum vs. 5456 Aluminum

Both 8090 aluminum and 5456 aluminum are aluminum alloys. They have a very high 95% 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 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
68
Elongation at Break, % 3.5 to 13
11 to 18
Fatigue Strength, MPa 91 to 140
130 to 210
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 340 to 490
320 to 340
Tensile Strength: Yield (Proof), MPa 210 to 420
150 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 95 to 160
120
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
29
Electrical Conductivity: Equal Weight (Specific), % IACS 66
97

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.6
9.0
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 1160
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
33 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
170 to 470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 34 to 49
33 to 35
Strength to Weight: Bending, points 39 to 50
38 to 40
Thermal Diffusivity, mm2/s 36 to 60
48
Thermal Shock Resistance, points 15 to 22
14 to 15

Alloy Composition


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Aluminum (Al), % 93 to 98.4
92 to 94.8
Chromium (Cr), % 0 to 0.1
0.050 to 0.2
Copper (Cu), % 1.0 to 1.6
0 to 0.1
Iron (Fe), % 0 to 0.3
0 to 0.4
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
4.7 to 5.5
Manganese (Mn), % 0 to 0.1
0.5 to 1.0
Silicon (Si), % 0 to 0.2
0 to 0.25
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.15