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308.0 Aluminum vs. 2618 Aluminum

Both 308.0 aluminum and 2618 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 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 308.0 aluminum and the bottom bar is 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
120
Elastic (Young's, Tensile) Modulus, GPa 73
71
Elongation at Break, % 2.0
5.8
Fatigue Strength, MPa 89
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 150
260
Tensile Strength: Ultimate (UTS), MPa 190
420
Tensile Strength: Yield (Proof), MPa 110
350

Thermal Properties

Latent Heat of Fusion, J/g 470
390
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 140
160
Thermal Expansion, µm/m-K 20
22

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 2.9
2.9
Embodied Carbon, kg CO2/kg material 7.7
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1080
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
23
Resilience: Unit (Modulus of Resilience), kJ/m3 83
850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
47
Strength to Weight: Axial, points 18
40
Strength to Weight: Bending, points 25
42
Thermal Diffusivity, mm2/s 55
62
Thermal Shock Resistance, points 9.2
19

Alloy Composition

Aluminum (Al), % 85.7 to 91
92.4 to 94.9
Copper (Cu), % 4.0 to 5.0
1.9 to 2.7
Iron (Fe), % 0 to 1.0
0.9 to 1.3
Magnesium (Mg), % 0 to 0.1
1.3 to 1.8
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0.9 to 1.2
Silicon (Si), % 5.0 to 6.0
0.1 to 0.25
Titanium (Ti), % 0 to 0.25
0.040 to 0.1
Zinc (Zn), % 0 to 1.0
0 to 0.1
Residuals, % 0
0 to 0.15