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C18700 Copper vs. 6110A Aluminum

C18700 copper belongs to the copper alloys classification, while 6110A aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C18700 copper and the bottom bar is 6110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 9.0 to 9.6
11 to 18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 170 to 190
220 to 280
Tensile Strength: Ultimate (UTS), MPa 290 to 330
360 to 470
Tensile Strength: Yield (Proof), MPa 230 to 250
250 to 430

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1080
650
Melting Onset (Solidus), °C 950
600
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 380
160
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
42
Electrical Conductivity: Equal Weight (Specific), % IACS 99
140

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 9.0
2.8
Embodied Carbon, kg CO2/kg material 2.6
8.4
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 310
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
47 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
450 to 1300
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 9.0 to 10
36 to 47
Strength to Weight: Bending, points 11 to 12
41 to 48
Thermal Diffusivity, mm2/s 110
65
Thermal Shock Resistance, points 10 to 12
16 to 21

Alloy Composition

Aluminum (Al), % 0
94.8 to 98
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 98 to 99.2
0.3 to 0.8
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0
0.7 to 1.1
Manganese (Mn), % 0
0.3 to 0.9
Silicon (Si), % 0
0.7 to 1.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15