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2218 Aluminum vs. A380.0 Aluminum

Both 2218 aluminum and A380.0 aluminum are aluminum alloys. They have 90% 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 A380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
80
Elastic (Young's, Tensile) Modulus, GPa 73
73
Elongation at Break, % 6.8 to 10
3.3
Fatigue Strength, MPa 110
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 210 to 250
190
Tensile Strength: Ultimate (UTS), MPa 330 to 430
290
Tensile Strength: Yield (Proof), MPa 260 to 310
160

Thermal Properties

Latent Heat of Fusion, J/g 390
510
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 510
550
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 140
96
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
25
Electrical Conductivity: Equal Weight (Specific), % IACS 110
78

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
2.9
Embodied Carbon, kg CO2/kg material 8.2
7.5
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
8.3
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
48
Strength to Weight: Axial, points 30 to 39
28
Strength to Weight: Bending, points 34 to 41
34
Thermal Diffusivity, mm2/s 52
38
Thermal Shock Resistance, points 15 to 19
13

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
80.3 to 89.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
3.0 to 4.0
Iron (Fe), % 0 to 1.0
0 to 1.3
Magnesium (Mg), % 1.2 to 1.8
0 to 0.1
Manganese (Mn), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 1.7 to 2.3
0 to 0.5
Silicon (Si), % 0 to 0.9
7.5 to 9.5
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.25
0 to 3.0
Residuals, % 0
0 to 0.5