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5042 Aluminum vs. 2117 Aluminum

Both 5042 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 5042 aluminum and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.1 to 3.4
26
Fatigue Strength, MPa 97 to 120
95
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 200
200
Tensile Strength: Ultimate (UTS), MPa 340 to 360
300
Tensile Strength: Yield (Proof), MPa 270 to 310
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 570
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
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 8.8
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
64
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 35 to 37
28
Strength to Weight: Bending, points 40 to 42
33
Thermal Diffusivity, mm2/s 53
59
Thermal Shock Resistance, points 15 to 16
12

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
91 to 97.6
Chromium (Cr), % 0 to 0.1
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), % 3.0 to 4.0
0.2 to 1.0
Manganese (Mn), % 0.2 to 0.5
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