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2618 Aluminum vs. 6106 Aluminum

Both 2618 aluminum and 6106 aluminum are aluminum alloys. They have a moderately 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 2618 aluminum and the bottom bar is 6106 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 5.8
9.1
Fatigue Strength, MPa 110
88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 260
170
Tensile Strength: Ultimate (UTS), MPa 420
290
Tensile Strength: Yield (Proof), MPa 350
220

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 550
610
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 160
190
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
49
Electrical Conductivity: Equal Weight (Specific), % IACS 110
160

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
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
24
Resilience: Unit (Modulus of Resilience), kJ/m3 850
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 40
29
Strength to Weight: Bending, points 42
35
Thermal Diffusivity, mm2/s 62
78
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
97.2 to 99.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 1.9 to 2.7
0 to 0.25
Iron (Fe), % 0.9 to 1.3
0 to 0.35
Magnesium (Mg), % 1.3 to 1.8
0.4 to 0.8
Manganese (Mn), % 0
0.050 to 0.2
Nickel (Ni), % 0.9 to 1.2
0
Silicon (Si), % 0.1 to 0.25
0.3 to 0.6
Titanium (Ti), % 0.040 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.1
0 to 0.15
Residuals, % 0
0 to 0.15