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2017 Aluminum vs. 2117 Aluminum

Both 2017 aluminum and 2117 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 2017 aluminum and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 510
550
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 38
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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