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2018 Aluminum vs. 5254 Aluminum

Both 2018 aluminum and 5254 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 30 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 2018 aluminum and the bottom bar is 5254 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
68
Elongation at Break, % 9.6
3.4 to 22
Fatigue Strength, MPa 120
110 to 160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 270
150 to 200
Tensile Strength: Ultimate (UTS), MPa 420
240 to 350
Tensile Strength: Yield (Proof), MPa 310
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 220
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
590
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
32
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
11 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 670
73 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
51
Strength to Weight: Axial, points 38
25 to 37
Strength to Weight: Bending, points 41
32 to 41
Thermal Diffusivity, mm2/s 57
52
Thermal Shock Resistance, points 19
10 to 16

Alloy Composition

Aluminum (Al), % 89.7 to 94.4
94.4 to 96.8
Chromium (Cr), % 0 to 0.1
0.15 to 0.35
Copper (Cu), % 3.5 to 4.5
0 to 0.050
Iron (Fe), % 0 to 1.0
0 to 0.45
Magnesium (Mg), % 0.45 to 0.9
3.1 to 3.9
Manganese (Mn), % 0 to 0.2
0 to 0.010
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0 to 0.45
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15