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C82700 Copper vs. 6018 Aluminum

C82700 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 (4, 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 C82700 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, % 1.8
9.0 to 9.1
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
26
Tensile Strength: Ultimate (UTS), MPa 1200
290 to 300
Tensile Strength: Yield (Proof), MPa 1020
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 300
160
Melting Completion (Liquidus), °C 950
640
Melting Onset (Solidus), °C 860
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 20
44
Electrical Conductivity: Equal Weight (Specific), % IACS 21
140

Otherwise Unclassified Properties

Density, g/cm3 8.7
2.9
Embodied Carbon, kg CO2/kg material 12
8.2
Embodied Energy, MJ/kg 180
150
Embodied Water, L/kg 310
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
360 to 380
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 38
28 to 29
Strength to Weight: Bending, points 29
34 to 35
Thermal Diffusivity, mm2/s 39
65
Thermal Shock Resistance, points 41
13

Alloy Composition

Aluminum (Al), % 0 to 0.15
93.1 to 97.8
Beryllium (Be), % 2.4 to 2.6
0
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0 to 0.090
0 to 0.1
Copper (Cu), % 94.6 to 96.7
0.15 to 0.4
Iron (Fe), % 0 to 0.25
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), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.15
0.5 to 1.2
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.3
Residuals, % 0
0 to 0.15