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384.0 Aluminum vs. 2618A Aluminum

Both 384.0 aluminum and 2618A aluminum are aluminum alloys. They have 86% 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 384.0 aluminum and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
72
Elongation at Break, % 2.5
4.5
Fatigue Strength, MPa 140
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Shear Strength, MPa 200
260
Tensile Strength: Ultimate (UTS), MPa 330
440
Tensile Strength: Yield (Proof), MPa 170
410

Thermal Properties

Latent Heat of Fusion, J/g 550
390
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 580
670
Melting Onset (Solidus), °C 530
560
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 96
150
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
37
Electrical Conductivity: Equal Weight (Specific), % IACS 69
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 7.4
8.4
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1010
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
19
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
47
Strength to Weight: Axial, points 32
41
Strength to Weight: Bending, points 37
44
Thermal Diffusivity, mm2/s 39
59
Thermal Shock Resistance, points 15
19

Alloy Composition


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Aluminum (Al), % 77.3 to 86.5
91.5 to 95.2
Copper (Cu), % 3.0 to 4.5
1.8 to 2.7
Iron (Fe), % 0 to 1.3
0.9 to 1.4
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 0.5
0.8 to 1.4
Silicon (Si), % 10.5 to 12
0.15 to 0.25
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 3.0
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.5
0 to 0.15