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2218 Aluminum vs. 360.0 Aluminum

Both 2218 aluminum and 360.0 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is 2218 aluminum and the bottom bar is 360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
75
Elastic (Young's, Tensile) Modulus, GPa 73
72
Elongation at Break, % 6.8 to 10
2.5
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
300
Tensile Strength: Yield (Proof), MPa 260 to 310
170

Thermal Properties

Latent Heat of Fusion, J/g 390
530
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 510
570
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 22
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.6
Embodied Carbon, kg CO2/kg material 8.2
7.8
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
6.4
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
53
Strength to Weight: Axial, points 30 to 39
32
Strength to Weight: Bending, points 34 to 41
38
Thermal Diffusivity, mm2/s 52
55
Thermal Shock Resistance, points 15 to 19
14

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
85.1 to 90.6
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0 to 0.6
Iron (Fe), % 0 to 1.0
0 to 2.0
Magnesium (Mg), % 1.2 to 1.8
0.4 to 0.6
Manganese (Mn), % 0 to 0.2
0 to 0.35
Nickel (Ni), % 1.7 to 2.3
0 to 0.5
Silicon (Si), % 0 to 0.9
9.0 to 10
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.5
Residuals, % 0
0 to 0.25