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2219 Aluminum vs. 2618 Aluminum

Both 2219 aluminum and 2618 aluminum are aluminum alloys. They have a very high 95% 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 2219 aluminum and the bottom bar is 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
71
Elongation at Break, % 2.2 to 20
5.8
Fatigue Strength, MPa 90 to 130
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 110 to 280
260
Tensile Strength: Ultimate (UTS), MPa 180 to 480
420
Tensile Strength: Yield (Proof), MPa 88 to 390
350

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 110 to 170
160
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
37
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
23
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
47
Strength to Weight: Axial, points 16 to 43
40
Strength to Weight: Bending, points 23 to 44
42
Thermal Diffusivity, mm2/s 42 to 63
62
Thermal Shock Resistance, points 8.2 to 22
19

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
92.4 to 94.9
Copper (Cu), % 5.8 to 6.8
1.9 to 2.7
Iron (Fe), % 0 to 0.3
0.9 to 1.3
Magnesium (Mg), % 0 to 0.020
1.3 to 1.8
Manganese (Mn), % 0.2 to 0.4
0
Nickel (Ni), % 0
0.9 to 1.2
Silicon (Si), % 0 to 0.2
0.1 to 0.25
Titanium (Ti), % 0.020 to 0.1
0.040 to 0.1
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0 to 0.1
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.15