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2117 Aluminum vs. 2017 Aluminum

Both 2117 aluminum and 2017 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 2117 aluminum and the bottom bar is 2017 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 26
12 to 18
Fatigue Strength, MPa 95
90 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 200
130 to 260
Tensile Strength: Ultimate (UTS), MPa 300
190 to 430
Tensile Strength: Yield (Proof), MPa 170
76 to 260

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 220
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 550
510
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
38
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
24 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 190
41 to 470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 28
17 to 40
Strength to Weight: Bending, points 33
24 to 42
Thermal Diffusivity, mm2/s 59
56
Thermal Shock Resistance, points 12
7.9 to 18

Alloy Composition

Aluminum (Al), % 91 to 97.6
91.6 to 95.5
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 2.2 to 4.5
3.5 to 4.5
Iron (Fe), % 0 to 0.7
0 to 0.7
Magnesium (Mg), % 0.2 to 1.0
0.4 to 0.8
Manganese (Mn), % 0.4 to 1.0
0.4 to 1.0
Silicon (Si), % 0.2 to 0.8
0.2 to 0.8
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15