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5082 Aluminum vs. 2117 Aluminum

Both 5082 aluminum and 2117 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. 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 5082 aluminum and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
71
Elongation at Break, % 1.1
26
Fatigue Strength, MPa 110 to 130
95
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Shear Strength, MPa 210 to 230
200
Tensile Strength: Ultimate (UTS), MPa 380 to 400
300
Tensile Strength: Yield (Proof), MPa 300 to 340
170

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
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 4.0 to 4.3
64
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 39 to 41
28
Strength to Weight: Bending, points 43 to 45
33
Thermal Diffusivity, mm2/s 54
59
Thermal Shock Resistance, points 17 to 18
12

Alloy Composition

Aluminum (Al), % 93.5 to 96
91 to 97.6
Chromium (Cr), % 0 to 0.15
0 to 0.1
Copper (Cu), % 0 to 0.15
2.2 to 4.5
Iron (Fe), % 0 to 0.35
0 to 0.7
Magnesium (Mg), % 4.0 to 5.0
0.2 to 1.0
Manganese (Mn), % 0 to 0.15
0.4 to 1.0
Silicon (Si), % 0 to 0.2
0.2 to 0.8
Titanium (Ti), % 0 to 0.1
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