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C70700 Copper-nickel vs. 6101A Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while 6101A 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 6101A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 39
11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
26
Shear Strength, MPa 220
130
Tensile Strength: Ultimate (UTS), MPa 320
220
Tensile Strength: Yield (Proof), MPa 110
190

Thermal Properties

Latent Heat of Fusion, J/g 220
400
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1120
640
Melting Onset (Solidus), °C 1060
630
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 59
200
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
55
Electrical Conductivity: Equal Weight (Specific), % IACS 12
180

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
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
24
Resilience: Unit (Modulus of Resilience), kJ/m3 51
280
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
51
Strength to Weight: Axial, points 10
23
Strength to Weight: Bending, points 12
30
Thermal Diffusivity, mm2/s 17
84
Thermal Shock Resistance, points 12
10

Alloy Composition

Aluminum (Al), % 0
97.9 to 99.3
Copper (Cu), % 88.5 to 90.5
0 to 0.050
Iron (Fe), % 0 to 0.050
0 to 0.4
Magnesium (Mg), % 0
0.4 to 0.9
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.5 to 10.5
0
Silicon (Si), % 0
0.3 to 0.7
Residuals, % 0
0 to 0.1