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324.0 Aluminum vs. 2218 Aluminum

Both 324.0 aluminum and 2218 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 324.0 aluminum and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
73
Elongation at Break, % 3.0 to 4.0
6.8 to 10
Fatigue Strength, MPa 77 to 89
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 210 to 310
330 to 430
Tensile Strength: Yield (Proof), MPa 110 to 270
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 500
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 550
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 7.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1090
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 8.9
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 85 to 510
450 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
45
Strength to Weight: Axial, points 22 to 32
30 to 39
Strength to Weight: Bending, points 29 to 38
34 to 41
Thermal Diffusivity, mm2/s 62
52
Thermal Shock Resistance, points 9.7 to 14
15 to 19

Alloy Composition


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Aluminum (Al), % 87.3 to 92.2
88.8 to 93.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.4 to 0.6
3.5 to 4.5
Iron (Fe), % 0 to 1.2
0 to 1.0
Magnesium (Mg), % 0.4 to 0.7
1.2 to 1.8
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 0.3
1.7 to 2.3
Silicon (Si), % 7.0 to 8.0
0 to 0.9
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 1.0
0 to 0.25
Residuals, % 0 to 0.2
0 to 0.15