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2017A Aluminum vs. 7116 Aluminum

Both 2017A 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 2017A aluminum and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 2.2 to 14
7.8
Fatigue Strength, MPa 92 to 130
160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 120 to 270
220
Tensile Strength: Ultimate (UTS), MPa 200 to 460
370
Tensile Strength: Yield (Proof), MPa 110 to 290
330

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 510
520
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
46
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.7 to 53
28
Resilience: Unit (Modulus of Resilience), kJ/m3 90 to 570
790
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
47
Strength to Weight: Axial, points 19 to 42
35
Strength to Weight: Bending, points 26 to 44
39
Thermal Diffusivity, mm2/s 56
58
Thermal Shock Resistance, points 8.9 to 20
16

Alloy Composition

Aluminum (Al), % 91.3 to 95.5
91.5 to 94.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.7
0 to 0.3
Magnesium (Mg), % 0.4 to 1.0
0.8 to 1.4
Manganese (Mn), % 0.4 to 1.0
0 to 0.050
Silicon (Si), % 0.2 to 0.8
0 to 0.15
Titanium (Ti), % 0 to 0.25
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
4.2 to 5.2
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15