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5457 Aluminum vs. 7108A Aluminum

Both 5457 aluminum and 7108A aluminum are aluminum alloys. They have a moderately high 94% 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 5457 aluminum and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 6.0 to 22
11 to 13
Fatigue Strength, MPa 55 to 98
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 85 to 130
210
Tensile Strength: Ultimate (UTS), MPa 130 to 210
350
Tensile Strength: Yield (Proof), MPa 50 to 190
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 660
630
Melting Onset (Solidus), °C 630
520
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
36
Electrical Conductivity: Equal Weight (Specific), % IACS 150
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 250
610 to 640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 13 to 21
33 to 34
Strength to Weight: Bending, points 21 to 28
38
Thermal Diffusivity, mm2/s 72
59
Thermal Shock Resistance, points 5.7 to 9.0
15 to 16

Alloy Composition


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Aluminum (Al), % 97.8 to 99.05
91.6 to 94.4
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 0 to 0.2
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.1
0 to 0.3
Magnesium (Mg), % 0.8 to 1.2
0.7 to 1.5
Manganese (Mn), % 0.15 to 0.45
0 to 0.050
Silicon (Si), % 0 to 0.080
0 to 0.2
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0 to 0.1
0 to 0.15