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5657 Aluminum vs. 6018 Aluminum

Both 5657 aluminum and 6018 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 (1, in this case) are not shown.

For each property being compared, the top bar is 5657 aluminum and the bottom bar is 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 6.6 to 15
9.0 to 9.1
Fatigue Strength, MPa 74 to 88
85 to 89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 92 to 110
170 to 180
Tensile Strength: Ultimate (UTS), MPa 150 to 200
290 to 300
Tensile Strength: Yield (Proof), MPa 140 to 170
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
570
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 210
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
44
Electrical Conductivity: Equal Weight (Specific), % IACS 180
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
360 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
48
Strength to Weight: Axial, points 15 to 20
28 to 29
Strength to Weight: Bending, points 23 to 28
34 to 35
Thermal Diffusivity, mm2/s 84
65
Thermal Shock Resistance, points 6.7 to 8.6
13

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
93.1 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
0.15 to 0.4
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.7
Lead (Pb), % 0
0.4 to 1.2
Magnesium (Mg), % 0.6 to 1.0
0.6 to 1.2
Manganese (Mn), % 0 to 0.030
0.3 to 0.8
Silicon (Si), % 0 to 0.080
0.5 to 1.2
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.3
Residuals, % 0 to 0.050
0 to 0.15