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2018 Aluminum vs. 2219 Aluminum

Both 2018 aluminum and 2219 aluminum are aluminum alloys. They have a very high 97% 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 2018 aluminum and the bottom bar is 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
72
Elongation at Break, % 9.6
2.2 to 20
Fatigue Strength, MPa 120
90 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 270
110 to 280
Tensile Strength: Ultimate (UTS), MPa 420
180 to 480
Tensile Strength: Yield (Proof), MPa 310
88 to 390

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 220
230
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
540
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 150
110 to 170
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 120
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
9.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 670
54 to 1060
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
44
Strength to Weight: Axial, points 38
16 to 43
Strength to Weight: Bending, points 41
23 to 44
Thermal Diffusivity, mm2/s 57
42 to 63
Thermal Shock Resistance, points 19
8.2 to 22

Alloy Composition


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Aluminum (Al), % 89.7 to 94.4
91.5 to 93.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
5.8 to 6.8
Iron (Fe), % 0 to 1.0
0 to 0.3
Magnesium (Mg), % 0.45 to 0.9
0 to 0.020
Manganese (Mn), % 0 to 0.2
0.2 to 0.4
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0 to 0.2
Titanium (Ti), % 0
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.1
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0 to 0.15
0 to 0.15