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C96700 Copper vs. 2025 Aluminum

C96700 copper belongs to the copper alloys classification, while 2025 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C96700 copper and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
72
Elongation at Break, % 10
15
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 53
27
Tensile Strength: Ultimate (UTS), MPa 1210
400
Tensile Strength: Yield (Proof), MPa 550
260

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 310
190
Melting Completion (Liquidus), °C 1170
640
Melting Onset (Solidus), °C 1110
520
Specific Heat Capacity, J/kg-K 400
870
Thermal Conductivity, W/m-K 30
150
Thermal Expansion, µm/m-K 15
23

Otherwise Unclassified Properties

Base Metal Price, % relative 90
10
Density, g/cm3 8.8
3.0
Embodied Carbon, kg CO2/kg material 9.5
7.9
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 280
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
55
Resilience: Unit (Modulus of Resilience), kJ/m3 1080
450
Stiffness to Weight: Axial, points 8.9
13
Stiffness to Weight: Bending, points 20
46
Strength to Weight: Axial, points 38
37
Strength to Weight: Bending, points 29
40
Thermal Diffusivity, mm2/s 8.5
58
Thermal Shock Resistance, points 40
18

Alloy Composition

Aluminum (Al), % 0
90.9 to 95.2
Beryllium (Be), % 1.1 to 1.2
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 62.4 to 68.8
3.9 to 5.0
Iron (Fe), % 0.4 to 1.0
0 to 1.0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.4 to 1.0
0.4 to 1.2
Nickel (Ni), % 29 to 33
0
Silicon (Si), % 0 to 0.15
0.5 to 1.2
Titanium (Ti), % 0.15 to 0.35
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0.15 to 0.35
0
Residuals, % 0
0 to 0.15