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C12600 Copper vs. 2025 Aluminum

C12600 copper belongs to the copper alloys classification, while 2025 aluminum belongs to the aluminum alloys. There are 29 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 C12600 copper and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 56
15
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 56
27
Shear Strength, MPa 190
240
Tensile Strength: Ultimate (UTS), MPa 270
400
Tensile Strength: Yield (Proof), MPa 69
260

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1030
520
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
40
Electrical Conductivity: Equal Weight (Specific), % IACS 29
120

Otherwise Unclassified Properties

Base Metal Price, % relative 30
10
Density, g/cm3 8.9
3.0
Embodied Carbon, kg CO2/kg material 2.6
7.9
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 310
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
55
Resilience: Unit (Modulus of Resilience), kJ/m3 21
450
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
46
Strength to Weight: Axial, points 8.2
37
Strength to Weight: Bending, points 10
40
Thermal Diffusivity, mm2/s 39
58
Thermal Shock Resistance, points 9.5
18

Alloy Composition

Aluminum (Al), % 0
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 99.5 to 99.8
3.9 to 5.0
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0.4 to 1.2
Phosphorus (P), % 0.2 to 0.4
0
Silicon (Si), % 0
0.5 to 1.2
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15