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2218 Aluminum vs. 520.0 Aluminum

Both 2218 aluminum and 520.0 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 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 2218 aluminum and the bottom bar is 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
75
Elastic (Young's, Tensile) Modulus, GPa 73
66
Elongation at Break, % 6.8 to 10
14
Fatigue Strength, MPa 110
55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
25
Shear Strength, MPa 210 to 250
230
Tensile Strength: Ultimate (UTS), MPa 330 to 430
330
Tensile Strength: Yield (Proof), MPa 260 to 310
170

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 870
910
Thermal Conductivity, W/m-K 140
87
Thermal Expansion, µm/m-K 22
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
21
Electrical Conductivity: Equal Weight (Specific), % IACS 110
72

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.6
Embodied Carbon, kg CO2/kg material 8.2
9.8
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
39
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
52
Strength to Weight: Axial, points 30 to 39
35
Strength to Weight: Bending, points 34 to 41
41
Thermal Diffusivity, mm2/s 52
37
Thermal Shock Resistance, points 15 to 19
14

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
87.9 to 90.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0 to 0.25
Iron (Fe), % 0 to 1.0
0 to 0.3
Magnesium (Mg), % 1.2 to 1.8
9.5 to 10.6
Manganese (Mn), % 0 to 0.2
0 to 0.15
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0 to 0.25
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.25
0 to 0.15
Residuals, % 0
0 to 0.15