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CC140C Copper vs. 238.0 Aluminum

CC140C copper belongs to the copper alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 CC140C copper and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
76
Elongation at Break, % 11
1.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
28
Tensile Strength: Ultimate (UTS), MPa 340
210
Tensile Strength: Yield (Proof), MPa 230
170

Thermal Properties

Latent Heat of Fusion, J/g 210
430
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1100
600
Melting Onset (Solidus), °C 1040
510
Specific Heat Capacity, J/kg-K 390
840
Thermal Conductivity, W/m-K 310
100
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
25
Electrical Conductivity: Equal Weight (Specific), % IACS 78
67

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.9
3.4
Embodied Carbon, kg CO2/kg material 2.6
7.4
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 310
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 220
180
Stiffness to Weight: Axial, points 7.3
12
Stiffness to Weight: Bending, points 18
42
Strength to Weight: Axial, points 10
17
Strength to Weight: Bending, points 12
23
Thermal Diffusivity, mm2/s 89
37
Thermal Shock Resistance, points 12
9.1

Alloy Composition

Aluminum (Al), % 0
81.9 to 84.9
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
9.5 to 10.5
Iron (Fe), % 0
1.0 to 1.5
Magnesium (Mg), % 0
0 to 0.25
Silicon (Si), % 0
3.6 to 4.4
Zinc (Zn), % 0
1.0 to 1.5