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8079 Aluminum vs. 5457 Aluminum

Both 8079 aluminum and 5457 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 8079 aluminum and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 2.2
6.0 to 22
Fatigue Strength, MPa 56
55 to 98
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 150
130 to 210
Tensile Strength: Yield (Proof), MPa 120
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 640
630
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
180
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
46
Electrical Conductivity: Equal Weight (Specific), % IACS 190
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 110
18 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 15
13 to 21
Strength to Weight: Bending, points 22
21 to 28
Thermal Diffusivity, mm2/s 92
72
Thermal Shock Resistance, points 6.4
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
97.8 to 99.05
Copper (Cu), % 0 to 0.050
0 to 0.2
Iron (Fe), % 0.7 to 1.3
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0.15 to 0.45
Silicon (Si), % 0.050 to 0.3
0 to 0.080
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.1
0 to 0.050
Residuals, % 0
0 to 0.1