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2618 Aluminum vs. 6061 Aluminum

Both 2618 aluminum and 6061 aluminum are aluminum alloys. They have a very high 96% 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 2618 aluminum and the bottom bar is 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 5.8
3.4 to 20
Fatigue Strength, MPa 110
58 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 260
84 to 210
Tensile Strength: Ultimate (UTS), MPa 420
130 to 410
Tensile Strength: Yield (Proof), MPa 350
76 to 370

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 160
170
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
43
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
3.8 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 850
42 to 1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 40
13 to 42
Strength to Weight: Bending, points 42
21 to 45
Thermal Diffusivity, mm2/s 62
68
Thermal Shock Resistance, points 19
5.7 to 18

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
95.9 to 98.6
Chromium (Cr), % 0
0.040 to 0.35
Copper (Cu), % 1.9 to 2.7
0.15 to 0.4
Iron (Fe), % 0.9 to 1.3
0 to 0.7
Magnesium (Mg), % 1.3 to 1.8
0.8 to 1.2
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0.9 to 1.2
0
Silicon (Si), % 0.1 to 0.25
0.4 to 0.8
Titanium (Ti), % 0.040 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0
0 to 0.15