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2218 Aluminum vs. EN AC-46400 Aluminum

Both 2218 aluminum and EN AC-46400 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-46400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
77 to 120
Elastic (Young's, Tensile) Modulus, GPa 73
72
Elongation at Break, % 6.8 to 10
1.1 to 1.7
Fatigue Strength, MPa 110
75 to 85
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 330 to 430
170 to 310
Tensile Strength: Yield (Proof), MPa 260 to 310
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 390
520
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 510
570
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.2
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
1.7 to 4.9
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
82 to 500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
52
Strength to Weight: Axial, points 30 to 39
18 to 32
Strength to Weight: Bending, points 34 to 41
26 to 38
Thermal Diffusivity, mm2/s 52
55
Thermal Shock Resistance, points 15 to 19
7.8 to 14

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
85.4 to 90.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0.8 to 1.3
Iron (Fe), % 0 to 1.0
0 to 0.8
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 1.2 to 1.8
0.25 to 0.65
Manganese (Mn), % 0 to 0.2
0.15 to 0.55
Nickel (Ni), % 1.7 to 2.3
0 to 0.2
Silicon (Si), % 0 to 0.9
8.3 to 9.7
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.25
0 to 0.8
Residuals, % 0
0 to 0.25