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2618 Aluminum vs. 5456 Aluminum

Both 2618 aluminum and 5456 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 30 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 2618 aluminum and the bottom bar is 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
68
Elongation at Break, % 5.8
11 to 18
Fatigue Strength, MPa 110
130 to 210
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 260
190 to 210
Tensile Strength: Ultimate (UTS), MPa 420
320 to 340
Tensile Strength: Yield (Proof), MPa 350
150 to 250

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 210
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
29
Electrical Conductivity: Equal Weight (Specific), % IACS 110
97

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
9.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
33 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 850
170 to 470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 40
33 to 35
Strength to Weight: Bending, points 42
38 to 40
Thermal Diffusivity, mm2/s 62
48
Thermal Shock Resistance, points 19
14 to 15

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
92 to 94.8
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 1.9 to 2.7
0 to 0.1
Iron (Fe), % 0.9 to 1.3
0 to 0.4
Magnesium (Mg), % 1.3 to 1.8
4.7 to 5.5
Manganese (Mn), % 0
0.5 to 1.0
Nickel (Ni), % 0.9 to 1.2
0
Silicon (Si), % 0.1 to 0.25
0 to 0.25
Titanium (Ti), % 0.040 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0
0 to 0.15