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EN AC-45000 Aluminum vs. 2218 Aluminum

Both EN AC-45000 aluminum and 2218 aluminum are aluminum alloys. They have a moderately high 93% 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 EN AC-45000 aluminum and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
95 to 110
Elastic (Young's, Tensile) Modulus, GPa 73
73
Elongation at Break, % 1.1
6.8 to 10
Fatigue Strength, MPa 75
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 180
330 to 430
Tensile Strength: Yield (Proof), MPa 110
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 470
390
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 520
510
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
37
Electrical Conductivity: Equal Weight (Specific), % IACS 81
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 7.7
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1070
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 80
450 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
45
Strength to Weight: Axial, points 17
30 to 39
Strength to Weight: Bending, points 24
34 to 41
Thermal Diffusivity, mm2/s 47
52
Thermal Shock Resistance, points 8.0
15 to 19

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
88.8 to 93.6
Chromium (Cr), % 0 to 0.15
0 to 0.1
Copper (Cu), % 3.0 to 5.0
3.5 to 4.5
Iron (Fe), % 0 to 1.0
0 to 1.0
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
1.2 to 1.8
Manganese (Mn), % 0.2 to 0.65
0 to 0.2
Nickel (Ni), % 0 to 0.45
1.7 to 2.3
Silicon (Si), % 5.0 to 7.0
0 to 0.9
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.0
0 to 0.25
Residuals, % 0
0 to 0.15