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C96700 Copper vs. 2618A Aluminum

C96700 copper belongs to the copper alloys classification, while 2618A aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
72
Elongation at Break, % 10
4.5
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 53
27
Tensile Strength: Ultimate (UTS), MPa 1210
440
Tensile Strength: Yield (Proof), MPa 550
410

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 310
230
Melting Completion (Liquidus), °C 1170
670
Melting Onset (Solidus), °C 1110
560
Specific Heat Capacity, J/kg-K 400
880
Thermal Conductivity, W/m-K 30
150
Thermal Expansion, µm/m-K 15
23

Otherwise Unclassified Properties

Base Metal Price, % relative 90
11
Density, g/cm3 8.8
3.0
Embodied Carbon, kg CO2/kg material 9.5
8.4
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 280
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
19
Resilience: Unit (Modulus of Resilience), kJ/m3 1080
1180
Stiffness to Weight: Axial, points 8.9
13
Stiffness to Weight: Bending, points 20
47
Strength to Weight: Axial, points 38
41
Strength to Weight: Bending, points 29
44
Thermal Diffusivity, mm2/s 8.5
59
Thermal Shock Resistance, points 40
19

Alloy Composition

Aluminum (Al), % 0
91.5 to 95.2
Beryllium (Be), % 1.1 to 1.2
0
Copper (Cu), % 62.4 to 68.8
1.8 to 2.7
Iron (Fe), % 0.4 to 1.0
0.9 to 1.4
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0.4 to 1.0
0 to 0.25
Nickel (Ni), % 29 to 33
0.8 to 1.4
Silicon (Si), % 0 to 0.15
0.15 to 0.25
Titanium (Ti), % 0.15 to 0.35
0 to 0.2
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 0.15 to 0.35
0 to 0.25
Residuals, % 0
0 to 0.15