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EN AC-46200 Aluminum vs. 2618A Aluminum

Both EN AC-46200 aluminum and 2618A aluminum are aluminum alloys. They have a moderately high 90% 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-46200 aluminum and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
72
Elongation at Break, % 1.1
4.5
Fatigue Strength, MPa 87
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 130
410

Thermal Properties

Latent Heat of Fusion, J/g 510
390
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 620
670
Melting Onset (Solidus), °C 540
560
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 7.7
8.4
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1060
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0
19
Resilience: Unit (Modulus of Resilience), kJ/m3 110
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 21
41
Strength to Weight: Bending, points 28
44
Thermal Diffusivity, mm2/s 44
59
Thermal Shock Resistance, points 9.5
19

Alloy Composition

Aluminum (Al), % 82.6 to 90.3
91.5 to 95.2
Copper (Cu), % 2.0 to 3.5
1.8 to 2.7
Iron (Fe), % 0 to 0.8
0.9 to 1.4
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0.050 to 0.55
1.2 to 1.8
Manganese (Mn), % 0.15 to 0.65
0 to 0.25
Nickel (Ni), % 0 to 0.35
0.8 to 1.4
Silicon (Si), % 7.5 to 9.5
0.15 to 0.25
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 1.2
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15