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C82800 Copper vs. 6101B Aluminum

C82800 copper belongs to the copper alloys classification, while 6101B 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 6101B aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 1.0 to 20
9.1 to 13
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
26
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
190 to 250
Tensile Strength: Yield (Proof), MPa 380 to 1000
140 to 180

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
630
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
210
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
57
Electrical Conductivity: Equal Weight (Specific), % IACS 19
190

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
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
20 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
140 to 240
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 21 to 36
20 to 25
Strength to Weight: Bending, points 20 to 28
27 to 32
Thermal Diffusivity, mm2/s 36
87
Thermal Shock Resistance, points 23 to 39
8.5 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.15
98.2 to 99.3
Beryllium (Be), % 2.5 to 2.9
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
0 to 0.050
Iron (Fe), % 0 to 0.25
0.1 to 0.3
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
0.35 to 0.6
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0.2 to 0.35
0.3 to 0.6
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.1