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5754 Aluminum vs. 2018 Aluminum

Both 5754 aluminum and 2018 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 5754 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 52 to 88
120
Elastic (Young's, Tensile) Modulus, GPa 68
73
Elongation at Break, % 2.0 to 19
9.6
Fatigue Strength, MPa 66 to 140
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 120 to 190
270
Tensile Strength: Ultimate (UTS), MPa 200 to 330
420
Tensile Strength: Yield (Proof), MPa 80 to 280
310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.7
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 32
37
Resilience: Unit (Modulus of Resilience), kJ/m3 47 to 580
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 21 to 34
38
Strength to Weight: Bending, points 28 to 39
41
Thermal Diffusivity, mm2/s 54
57
Thermal Shock Resistance, points 8.9 to 14
19

Alloy Composition

Aluminum (Al), % 94.2 to 97.4
89.7 to 94.4
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.1
3.5 to 4.5
Iron (Fe), % 0 to 0.4
0 to 1.0
Magnesium (Mg), % 2.6 to 3.6
0.45 to 0.9
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0 to 0.4
0 to 0.9
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15