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C81400 Copper vs. 6262 Aluminum

C81400 copper belongs to the copper alloys classification, while 6262 aluminum belongs to the aluminum alloys. There are 28 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 C81400 copper and the bottom bar is 6262 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 11
4.6 to 10
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 370
290 to 390
Tensile Strength: Yield (Proof), MPa 250
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
650
Melting Onset (Solidus), °C 1070
580
Specific Heat Capacity, J/kg-K 390
890
Thermal Conductivity, W/m-K 260
170
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
44
Electrical Conductivity: Equal Weight (Specific), % IACS 61
140

Otherwise Unclassified Properties

Base Metal Price, % relative 33
10
Density, g/cm3 8.9
2.8
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 31
Resilience: Unit (Modulus of Resilience), kJ/m3 260
530 to 940
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
48
Strength to Weight: Axial, points 11
29 to 39
Strength to Weight: Bending, points 13
35 to 42
Thermal Diffusivity, mm2/s 75
69
Thermal Shock Resistance, points 13
13 to 18

Alloy Composition

Aluminum (Al), % 0
94.7 to 97.8
Beryllium (Be), % 0.020 to 0.1
0
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0.6 to 1.0
0.040 to 0.14
Copper (Cu), % 98.4 to 99.38
0.15 to 0.4
Iron (Fe), % 0
0 to 0.7
Lead (Pb), % 0
0.4 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0 to 0.15
Silicon (Si), % 0
0.4 to 0.8
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15