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5182 Aluminum vs. 7116 Aluminum

Both 5182 aluminum and 7116 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5182 aluminum and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 1.1 to 12
7.8
Fatigue Strength, MPa 100 to 130
160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 170 to 240
220
Tensile Strength: Ultimate (UTS), MPa 280 to 420
370
Tensile Strength: Yield (Proof), MPa 130 to 360
330

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
46
Electrical Conductivity: Equal Weight (Specific), % IACS 94
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
28
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 29 to 44
35
Strength to Weight: Bending, points 36 to 47
39
Thermal Diffusivity, mm2/s 53
58
Thermal Shock Resistance, points 12 to 19
16

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
91.5 to 94.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.35
0 to 0.3
Magnesium (Mg), % 4.0 to 5.0
0.8 to 1.4
Manganese (Mn), % 0.2 to 0.5
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 0.15
Titanium (Ti), % 0 to 0.1
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
4.2 to 5.2
Residuals, % 0 to 0.15
0 to 0.15