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EN AC-44400 Aluminum vs. 2618A Aluminum

Both EN AC-44400 aluminum and 2618A aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-44400 aluminum and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 4.1
4.5
Fatigue Strength, MPa 79
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 210
440
Tensile Strength: Yield (Proof), MPa 110
410

Thermal Properties

Latent Heat of Fusion, J/g 540
390
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 600
670
Melting Onset (Solidus), °C 590
560
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
3.0
Embodied Carbon, kg CO2/kg material 7.8
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1080
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
19
Resilience: Unit (Modulus of Resilience), kJ/m3 85
1180
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
47
Strength to Weight: Axial, points 23
41
Strength to Weight: Bending, points 31
44
Thermal Diffusivity, mm2/s 60
59
Thermal Shock Resistance, points 9.8
19

Alloy Composition

Aluminum (Al), % 87.1 to 92
91.5 to 95.2
Copper (Cu), % 0 to 0.1
1.8 to 2.7
Iron (Fe), % 0 to 0.65
0.9 to 1.4
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
1.2 to 1.8
Manganese (Mn), % 0 to 0.5
0 to 0.25
Nickel (Ni), % 0 to 0.050
0.8 to 1.4
Silicon (Si), % 8.0 to 11
0.15 to 0.25
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15