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2219-T6 Aluminum vs. 6018-T6 Aluminum

Both 2219-T6 aluminum and 6018-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 94% of their average alloy composition in common. There are 30 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 2219-T6 aluminum and the bottom bar is 6018-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
69
Elongation at Break, % 5.4
9.0
Fatigue Strength, MPa 110
89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 250
170
Tensile Strength: Ultimate (UTS), MPa 420
290
Tensile Strength: Yield (Proof), MPa 280
230

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 230
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
570
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
44
Electrical Conductivity: Equal Weight (Specific), % IACS 85
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
24
Resilience: Unit (Modulus of Resilience), kJ/m3 550
380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
48
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 40
34
Thermal Diffusivity, mm2/s 45
65
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
93.1 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 5.8 to 6.8
0.15 to 0.4
Iron (Fe), % 0 to 0.3
0 to 0.7
Lead (Pb), % 0
0.4 to 1.2
Magnesium (Mg), % 0 to 0.020
0.6 to 1.2
Manganese (Mn), % 0.2 to 0.4
0.3 to 0.8
Silicon (Si), % 0 to 0.2
0.5 to 1.2
Titanium (Ti), % 0.020 to 0.1
0 to 0.2
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0 to 0.3
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.15