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2618 Aluminum vs. 6101A Aluminum

Both 2618 aluminum and 6101A 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 6101A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
68
Elongation at Break, % 5.8
11
Fatigue Strength, MPa 110
80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 260
130
Tensile Strength: Ultimate (UTS), MPa 420
220
Tensile Strength: Yield (Proof), MPa 350
190

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
630
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 160
200
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
55
Electrical Conductivity: Equal Weight (Specific), % IACS 110
180

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
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
51
Strength to Weight: Axial, points 40
23
Strength to Weight: Bending, points 42
30
Thermal Diffusivity, mm2/s 62
84
Thermal Shock Resistance, points 19
10

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
97.9 to 99.3
Copper (Cu), % 1.9 to 2.7
0 to 0.050
Iron (Fe), % 0.9 to 1.3
0 to 0.4
Magnesium (Mg), % 1.3 to 1.8
0.4 to 0.9
Nickel (Ni), % 0.9 to 1.2
0
Silicon (Si), % 0.1 to 0.25
0.3 to 0.7
Titanium (Ti), % 0.040 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.1