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6182 Aluminum vs. 7116 Aluminum

Both 6182 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 6182 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, % 6.8 to 13
7.8
Fatigue Strength, MPa 63 to 99
160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 140 to 190
220
Tensile Strength: Ultimate (UTS), MPa 230 to 320
370
Tensile Strength: Yield (Proof), MPa 130 to 270
330

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 600
520
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 160
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
46
Electrical Conductivity: Equal Weight (Specific), % IACS 130
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 8.4
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
28
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 23 to 32
35
Strength to Weight: Bending, points 30 to 38
39
Thermal Diffusivity, mm2/s 65
58
Thermal Shock Resistance, points 10 to 14
16

Alloy Composition

Aluminum (Al), % 95 to 97.9
91.5 to 94.5
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.3
Magnesium (Mg), % 0.7 to 1.2
0.8 to 1.4
Manganese (Mn), % 0.5 to 1.0
0 to 0.050
Silicon (Si), % 0.9 to 1.3
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 0.2
4.2 to 5.2
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.15