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7108A Aluminum vs. 5086 Aluminum

Both 7108A aluminum and 5086 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 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 7108A aluminum and the bottom bar is 5086 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 11 to 13
1.7 to 20
Fatigue Strength, MPa 120 to 130
88 to 180
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
160 to 230
Tensile Strength: Ultimate (UTS), MPa 350
270 to 390
Tensile Strength: Yield (Proof), MPa 290 to 300
110 to 320

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 210
190
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 520
590
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
31
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
5.8 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
86 to 770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 33 to 34
28 to 40
Strength to Weight: Bending, points 38
34 to 44
Thermal Diffusivity, mm2/s 59
52
Thermal Shock Resistance, points 15 to 16
12 to 17

Alloy Composition


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Aluminum (Al), % 91.6 to 94.4
93 to 96.3
Chromium (Cr), % 0 to 0.040
0.050 to 0.25
Copper (Cu), % 0 to 0.050
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 0.7 to 1.5
3.5 to 4.5
Manganese (Mn), % 0 to 0.050
0.2 to 0.7
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0 to 0.030
0 to 0.15
Zinc (Zn), % 4.8 to 5.8
0 to 0.25
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.15