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8090 Aluminum vs. 5056 Aluminum

Both 8090 aluminum and 5056 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 5056 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
67
Elongation at Break, % 3.5 to 13
4.9 to 31
Fatigue Strength, MPa 91 to 140
140 to 200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
25
Tensile Strength: Ultimate (UTS), MPa 340 to 490
290 to 460
Tensile Strength: Yield (Proof), MPa 210 to 420
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 400
400
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
910
Thermal Conductivity, W/m-K 95 to 160
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
29
Electrical Conductivity: Equal Weight (Specific), % IACS 66
99

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
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
12 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
170 to 1220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 34 to 49
30 to 48
Strength to Weight: Bending, points 39 to 50
36 to 50
Thermal Diffusivity, mm2/s 36 to 60
53
Thermal Shock Resistance, points 15 to 22
13 to 20

Alloy Composition


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Aluminum (Al), % 93 to 98.4
93 to 95.4
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
4.5 to 5.6
Manganese (Mn), % 0 to 0.1
0.050 to 0.2
Silicon (Si), % 0 to 0.2
0 to 0.3
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.1
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.15