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C81400 Copper vs. 6463 Aluminum

C81400 copper belongs to the copper alloys classification, while 6463 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 6463 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 11
9.0 to 17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 370
140 to 230
Tensile Strength: Yield (Proof), MPa 250
82 to 200

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
660
Melting Onset (Solidus), °C 1070
620
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 260
190 to 210
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
50 to 55
Electrical Conductivity: Equal Weight (Specific), % IACS 61
170 to 180

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
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 260
50 to 300
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 11
14 to 24
Strength to Weight: Bending, points 13
22 to 31
Thermal Diffusivity, mm2/s 75
79 to 86
Thermal Shock Resistance, points 13
6.3 to 10

Alloy Composition

Aluminum (Al), % 0
97.9 to 99.4
Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
0 to 0.2
Iron (Fe), % 0
0 to 0.15
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0
0.2 to 0.6
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.15