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5026 Aluminum vs. 7116 Aluminum

Both 5026 aluminum and 7116 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 5026 aluminum and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 5.1 to 11
7.8
Fatigue Strength, MPa 94 to 140
160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 150 to 180
220
Tensile Strength: Ultimate (UTS), MPa 260 to 320
370
Tensile Strength: Yield (Proof), MPa 120 to 250
330

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 510
520
Specific Heat Capacity, J/kg-K 890
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
46
Electrical Conductivity: Equal Weight (Specific), % IACS 99
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 8.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 29
28
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 440
790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
47
Strength to Weight: Axial, points 26 to 32
35
Strength to Weight: Bending, points 33 to 37
39
Thermal Diffusivity, mm2/s 52
58
Thermal Shock Resistance, points 11 to 14
16

Alloy Composition

Aluminum (Al), % 88.2 to 94.7
91.5 to 94.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0.1 to 0.8
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0.2 to 1.0
0 to 0.3
Magnesium (Mg), % 3.9 to 4.9
0.8 to 1.4
Manganese (Mn), % 0.6 to 1.8
0 to 0.050
Silicon (Si), % 0.55 to 1.4
0 to 0.15
Titanium (Ti), % 0 to 0.2
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 1.0
4.2 to 5.2
Zirconium (Zr), % 0 to 0.3
0
Residuals, % 0
0 to 0.15