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2618A Aluminum vs. 2014 Aluminum

Both 2618A aluminum and 2014 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 2618A aluminum and the bottom bar is 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
72
Elongation at Break, % 4.5
1.5 to 16
Fatigue Strength, MPa 120
90 to 160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 260
130 to 290
Tensile Strength: Ultimate (UTS), MPa 440
190 to 500
Tensile Strength: Yield (Proof), MPa 410
100 to 440

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 670
630
Melting Onset (Solidus), °C 560
510
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.4
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
6.6 to 56
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
76 to 1330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 41
18 to 46
Strength to Weight: Bending, points 44
25 to 46
Thermal Diffusivity, mm2/s 59
58
Thermal Shock Resistance, points 19
8.4 to 22

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
90.4 to 95
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 1.8 to 2.7
3.9 to 5.0
Iron (Fe), % 0.9 to 1.4
0 to 0.7
Magnesium (Mg), % 1.2 to 1.8
0.2 to 0.8
Manganese (Mn), % 0 to 0.25
0.4 to 1.2
Nickel (Ni), % 0.8 to 1.4
0
Silicon (Si), % 0.15 to 0.25
0.5 to 1.2
Titanium (Ti), % 0 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.15
0 to 0.25
Zirconium (Zr), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15