MakeItFrom.com
Menu (ESC)

2218 Aluminum vs. 2024 Aluminum

Both 2218 aluminum and 2024 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 30 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 2218 aluminum and the bottom bar is 2024 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
71
Elongation at Break, % 6.8 to 10
4.0 to 16
Fatigue Strength, MPa 110
90 to 180
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 210 to 250
130 to 320
Tensile Strength: Ultimate (UTS), MPa 330 to 430
200 to 540
Tensile Strength: Yield (Proof), MPa 260 to 310
100 to 490

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
500
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
30
Electrical Conductivity: Equal Weight (Specific), % IACS 110
90

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
20 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
70 to 1680
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
46
Strength to Weight: Axial, points 30 to 39
18 to 50
Strength to Weight: Bending, points 34 to 41
25 to 49
Thermal Diffusivity, mm2/s 52
46
Thermal Shock Resistance, points 15 to 19
8.6 to 24

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
90.7 to 94.7
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 3.5 to 4.5
3.8 to 4.9
Iron (Fe), % 0 to 1.0
0 to 0.5
Magnesium (Mg), % 1.2 to 1.8
1.2 to 1.8
Manganese (Mn), % 0 to 0.2
0.3 to 0.9
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0 to 0.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants