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C71640 Copper-nickel vs. CC140C Copper

Both C71640 copper-nickel and CC140C copper are copper alloys. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
44
Tensile Strength: Ultimate (UTS), MPa 490 to 630
340
Tensile Strength: Yield (Proof), MPa 190 to 460
230

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Maximum Temperature: Mechanical, °C 260
200
Melting Completion (Liquidus), °C 1180
1100
Melting Onset (Solidus), °C 1120
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 29
310
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
77
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
78

Otherwise Unclassified Properties

Base Metal Price, % relative 40
31
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 73
41
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
220
Stiffness to Weight: Axial, points 8.7
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
10
Strength to Weight: Bending, points 16 to 18
12
Thermal Diffusivity, mm2/s 8.2
89
Thermal Shock Resistance, points 16 to 21
12

Alloy Composition


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Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 61.7 to 67.8
98.8 to 99.6
Iron (Fe), % 1.7 to 2.3
0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0