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5457 Aluminum vs. 2117 Aluminum

Both 5457 aluminum and 2117 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5457 aluminum and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 55
70
Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 6.0 to 22
26
Fatigue Strength, MPa 55 to 98
95
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 85 to 130
200
Tensile Strength: Ultimate (UTS), MPa 130 to 210
300
Tensile Strength: Yield (Proof), MPa 50 to 190
170

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 660
650
Melting Onset (Solidus), °C 630
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
40
Electrical Conductivity: Equal Weight (Specific), % IACS 150
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.4
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
64
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 250
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 13 to 21
28
Strength to Weight: Bending, points 21 to 28
33
Thermal Diffusivity, mm2/s 72
59
Thermal Shock Resistance, points 5.7 to 9.0
12

Alloy Composition


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Aluminum (Al), % 97.8 to 99.05
91 to 97.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.2
2.2 to 4.5
Iron (Fe), % 0 to 0.1
0 to 0.7
Magnesium (Mg), % 0.8 to 1.2
0.2 to 1.0
Manganese (Mn), % 0.15 to 0.45
0.4 to 1.0
Silicon (Si), % 0 to 0.080
0.2 to 0.8
Titanium (Ti), % 0
0 to 0.25
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.1
0 to 0.15