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C82800 Copper vs. 6261 Aluminum

C82800 copper belongs to the copper alloys classification, while 6261 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 C82800 copper and the bottom bar is 6261 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 16
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
26
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
150 to 300
Tensile Strength: Yield (Proof), MPa 380 to 1000
100 to 260

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 310
160
Melting Completion (Liquidus), °C 930
640
Melting Onset (Solidus), °C 890
610
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
48
Electrical Conductivity: Equal Weight (Specific), % IACS 19
160

Otherwise Unclassified Properties

Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 12
8.3
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 310
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
21 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
77 to 500
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 21 to 36
15 to 31
Strength to Weight: Bending, points 20 to 28
23 to 37
Thermal Diffusivity, mm2/s 36
75
Thermal Shock Resistance, points 23 to 39
6.5 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.15
96.6 to 98.6
Beryllium (Be), % 2.5 to 2.9
0
Chromium (Cr), % 0 to 0.1
0 to 0.1
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
0.15 to 0.4
Iron (Fe), % 0 to 0.25
0 to 0.4
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
0.7 to 1.0
Manganese (Mn), % 0
0.2 to 0.35
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0.2 to 0.35
0.4 to 0.7
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0 to 0.1
Zinc (Zn), % 0 to 0.1
0 to 0.2
Residuals, % 0
0 to 0.15