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C81400 Copper vs. 6082 Aluminum

C81400 copper belongs to the copper alloys classification, while 6082 aluminum belongs to the aluminum alloys. There are 28 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 C81400 copper and the bottom bar is 6082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 11
6.3 to 18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 370
140 to 340
Tensile Strength: Yield (Proof), MPa 250
85 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
650
Melting Onset (Solidus), °C 1070
580
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 260
160
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
42
Electrical Conductivity: Equal Weight (Specific), % IACS 61
140

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
19 to 43
Resilience: Unit (Modulus of Resilience), kJ/m3 260
52 to 710
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 11
14 to 35
Strength to Weight: Bending, points 13
21 to 40
Thermal Diffusivity, mm2/s 75
67
Thermal Shock Resistance, points 13
6.0 to 15

Alloy Composition

Aluminum (Al), % 0
95.2 to 98.3
Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0 to 0.25
Copper (Cu), % 98.4 to 99.38
0 to 0.1
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.4 to 1.0
Silicon (Si), % 0
0.7 to 1.3
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15