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7116 Aluminum vs. 8090 Aluminum

Both 7116 aluminum and 8090 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 (2, in this case) are not shown.

For each property being compared, the top bar is 7116 aluminum and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
67
Elongation at Break, % 7.8
3.5 to 13
Fatigue Strength, MPa 160
91 to 140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 370
340 to 490
Tensile Strength: Yield (Proof), MPa 330
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 520
600
Specific Heat Capacity, J/kg-K 880
960
Thermal Conductivity, W/m-K 150
95 to 160
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
20
Electrical Conductivity: Equal Weight (Specific), % IACS 140
66

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.6
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1150
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 790
340 to 1330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 35
34 to 49
Strength to Weight: Bending, points 39
39 to 50
Thermal Diffusivity, mm2/s 58
36 to 60
Thermal Shock Resistance, points 16
15 to 22

Alloy Composition

Aluminum (Al), % 91.5 to 94.5
93 to 98.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.5 to 1.1
1.0 to 1.6
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0.8 to 1.4
0.6 to 1.3
Manganese (Mn), % 0 to 0.050
0 to 0.1
Silicon (Si), % 0 to 0.15
0 to 0.2
Titanium (Ti), % 0 to 0.050
0 to 0.1
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15