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390.0 Aluminum vs. 2618A Aluminum

Both 390.0 aluminum and 2618A aluminum are aluminum alloys. They have 81% 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 390.0 aluminum and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
72
Elongation at Break, % 1.0
4.5
Fatigue Strength, MPa 76 to 110
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 280 to 300
440
Tensile Strength: Yield (Proof), MPa 240 to 270
410

Thermal Properties

Latent Heat of Fusion, J/g 640
390
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 650
670
Melting Onset (Solidus), °C 560
560
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
37
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 7.3
8.4
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 950
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
19
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
1180
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
47
Strength to Weight: Axial, points 28 to 30
41
Strength to Weight: Bending, points 35 to 36
44
Thermal Diffusivity, mm2/s 56
59
Thermal Shock Resistance, points 14 to 15
19

Alloy Composition


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Aluminum (Al), % 74.5 to 79.6
91.5 to 95.2
Copper (Cu), % 4.0 to 5.0
1.8 to 2.7
Iron (Fe), % 0 to 1.3
0.9 to 1.4
Magnesium (Mg), % 0.45 to 0.65
1.2 to 1.8
Manganese (Mn), % 0 to 0.1
0 to 0.25
Nickel (Ni), % 0
0.8 to 1.4
Silicon (Si), % 16 to 18
0.15 to 0.25
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.2
0 to 0.15