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2218 Aluminum vs. 6110 Aluminum

Both 2218 aluminum and 6110 aluminum are aluminum alloys. They have a moderately high 94% 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 2218 aluminum and the bottom bar is 6110 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 6.8 to 10
2.2
Fatigue Strength, MPa 110
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 210 to 250
290
Tensile Strength: Ultimate (UTS), MPa 330 to 430
500
Tensile Strength: Yield (Proof), MPa 260 to 310
500

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
600
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140
170
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
42
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.8
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
11
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
1770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 30 to 39
51
Strength to Weight: Bending, points 34 to 41
51
Thermal Diffusivity, mm2/s 52
67
Thermal Shock Resistance, points 15 to 19
22

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
94.4 to 98.4
Chromium (Cr), % 0 to 0.1
0.040 to 0.25
Copper (Cu), % 3.5 to 4.5
0.2 to 0.7
Iron (Fe), % 0 to 1.0
0 to 0.8
Magnesium (Mg), % 1.2 to 1.8
0.5 to 1.1
Manganese (Mn), % 0 to 0.2
0.2 to 0.7
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0.7 to 1.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.3
Residuals, % 0
0 to 0.15