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2218 Aluminum vs. EN AC-46200 Aluminum

Both 2218 aluminum and EN AC-46200 aluminum are aluminum alloys. They have a moderately high 91% 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 EN AC-46200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
82
Elastic (Young's, Tensile) Modulus, GPa 73
73
Elongation at Break, % 6.8 to 10
1.1
Fatigue Strength, MPa 110
87
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 330 to 430
210
Tensile Strength: Yield (Proof), MPa 260 to 310
130

Thermal Properties

Latent Heat of Fusion, J/g 390
510
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 510
540
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
28
Electrical Conductivity: Equal Weight (Specific), % IACS 110
88

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
2.8
Embodied Carbon, kg CO2/kg material 8.2
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 30 to 39
21
Strength to Weight: Bending, points 34 to 41
28
Thermal Diffusivity, mm2/s 52
44
Thermal Shock Resistance, points 15 to 19
9.5

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
82.6 to 90.3
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
2.0 to 3.5
Iron (Fe), % 0 to 1.0
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 1.2 to 1.8
0.050 to 0.55
Manganese (Mn), % 0 to 0.2
0.15 to 0.65
Nickel (Ni), % 1.7 to 2.3
0 to 0.35
Silicon (Si), % 0 to 0.9
7.5 to 9.5
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.25
0 to 1.2
Residuals, % 0
0 to 0.25