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2014A Aluminum vs. 2218 Aluminum

Both 2014A aluminum and 2218 aluminum are aluminum alloys. They have a very high 97% 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 2014A aluminum and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
73
Elongation at Break, % 6.2 to 16
6.8 to 10
Fatigue Strength, MPa 93 to 150
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 130 to 290
210 to 250
Tensile Strength: Ultimate (UTS), MPa 210 to 490
330 to 430
Tensile Strength: Yield (Proof), MPa 110 to 430
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 210
220
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
510
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 23
22

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 49
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 85 to 1300
450 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
45
Strength to Weight: Axial, points 19 to 45
30 to 39
Strength to Weight: Bending, points 26 to 46
34 to 41
Thermal Diffusivity, mm2/s 55
52
Thermal Shock Resistance, points 9.0 to 22
15 to 19

Alloy Composition

Aluminum (Al), % 90.8 to 95
88.8 to 93.6
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 3.9 to 5.0
3.5 to 4.5
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 0.2 to 0.8
1.2 to 1.8
Manganese (Mn), % 0.4 to 1.2
0 to 0.2
Nickel (Ni), % 0 to 0.1
1.7 to 2.3
Silicon (Si), % 0.5 to 0.9
0 to 0.9
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15