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C82400 Copper vs. 6018 Aluminum

C82400 copper belongs to the copper alloys classification, while 6018 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 C82400 copper and the bottom bar is 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 1.0 to 20
9.0 to 9.1
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
290 to 300
Tensile Strength: Yield (Proof), MPa 260 to 970
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 230
400
Maximum Temperature: Mechanical, °C 270
160
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 900
570
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
44
Electrical Conductivity: Equal Weight (Specific), % IACS 26
140

Otherwise Unclassified Properties

Density, g/cm3 8.8
2.9
Embodied Carbon, kg CO2/kg material 8.9
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 310
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
360 to 380
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 16 to 33
28 to 29
Strength to Weight: Bending, points 16 to 26
34 to 35
Thermal Diffusivity, mm2/s 39
65
Thermal Shock Resistance, points 17 to 36
13

Alloy Composition

Aluminum (Al), % 0 to 0.15
93.1 to 97.8
Beryllium (Be), % 1.6 to 1.9
0
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0 to 0.1
0 to 0.1
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
0.15 to 0.4
Iron (Fe), % 0 to 0.2
0 to 0.7
Lead (Pb), % 0 to 0.020
0.4 to 1.2
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0
0.5 to 1.2
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.3
Residuals, % 0
0 to 0.15