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2618 Aluminum vs. 5454 Aluminum

Both 2618 aluminum and 5454 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 2618 aluminum and the bottom bar is 5454 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
61 to 93
Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 5.8
2.3 to 18
Fatigue Strength, MPa 110
83 to 160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 260
140 to 200
Tensile Strength: Ultimate (UTS), MPa 420
230 to 350
Tensile Strength: Yield (Proof), MPa 350
97 to 290

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 210
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 550
600
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

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
8.6
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
6.3 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 850
68 to 590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 40
23 to 36
Strength to Weight: Bending, points 42
30 to 41
Thermal Diffusivity, mm2/s 62
55
Thermal Shock Resistance, points 19
10 to 16

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
94.5 to 97.1
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
2.4 to 3.0
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