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8079 Aluminum vs. 2618A Aluminum

Both 8079 aluminum and 2618A aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 29 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 8079 aluminum and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
72
Elongation at Break, % 2.2
4.5
Fatigue Strength, MPa 56
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 150
440
Tensile Strength: Yield (Proof), MPa 120
410

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 650
670
Melting Onset (Solidus), °C 640
560
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
37
Electrical Conductivity: Equal Weight (Specific), % IACS 190
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
19
Resilience: Unit (Modulus of Resilience), kJ/m3 110
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 15
41
Strength to Weight: Bending, points 22
44
Thermal Diffusivity, mm2/s 92
59
Thermal Shock Resistance, points 6.4
19

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
91.5 to 95.2
Copper (Cu), % 0 to 0.050
1.8 to 2.7
Iron (Fe), % 0.7 to 1.3
0.9 to 1.4
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0
0.8 to 1.4
Silicon (Si), % 0.050 to 0.3
0.15 to 0.25
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15