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C70700 Copper-nickel vs. 6105 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while 6105 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 C70700 copper-nickel and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 39
9.0 to 16
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
26
Shear Strength, MPa 220
120 to 170
Tensile Strength: Ultimate (UTS), MPa 320
190 to 280
Tensile Strength: Yield (Proof), MPa 110
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 220
410
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1120
650
Melting Onset (Solidus), °C 1060
600
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 59
180 to 190
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 12
150 to 170

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 3.4
8.3
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 300
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 51
100 to 550
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
51
Strength to Weight: Axial, points 10
20 to 29
Strength to Weight: Bending, points 12
28 to 35
Thermal Diffusivity, mm2/s 17
72 to 79
Thermal Shock Resistance, points 12
8.6 to 12

Alloy Composition

Aluminum (Al), % 0
97.2 to 99
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 88.5 to 90.5
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.35
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 9.5 to 10.5
0
Silicon (Si), % 0
0.6 to 1.0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15