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8090 Aluminum vs. 5042 Aluminum

Both 8090 aluminum and 5042 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 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
68
Elongation at Break, % 3.5 to 13
1.1 to 3.4
Fatigue Strength, MPa 91 to 140
97 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 340 to 490
340 to 360
Tensile Strength: Yield (Proof), MPa 210 to 420
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
180
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
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
33
Electrical Conductivity: Equal Weight (Specific), % IACS 66
110

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
8.8
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
550 to 720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 34 to 49
35 to 37
Strength to Weight: Bending, points 39 to 50
40 to 42
Thermal Diffusivity, mm2/s 36 to 60
53
Thermal Shock Resistance, points 15 to 22
15 to 16

Alloy Composition


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Aluminum (Al), % 93 to 98.4
94.2 to 96.8
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 1.0 to 1.6
0 to 0.15
Iron (Fe), % 0 to 0.3
0 to 0.35
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
3.0 to 4.0
Manganese (Mn), % 0 to 0.1
0.2 to 0.5
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.1
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