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C55181 Copper vs. C70400 Copper-nickel

Both C55181 copper and C70400 copper-nickel are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 200
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 790
1120
Melting Onset (Solidus), °C 710
1060
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
32
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 2.4
3.0
Embodied Energy, MJ/kg 38
47
Embodied Water, L/kg 290
300

Common Calculations

Stiffness to Weight: Axial, points 7.0
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 6.5
9.3 to 9.8
Strength to Weight: Bending, points 8.9
11 to 12
Thermal Shock Resistance, points 8.2
10 to 11

Alloy Composition

Copper (Cu), % 92.4 to 93
89.8 to 93.6
Iron (Fe), % 0
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Phosphorus (P), % 7.0 to 7.5
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5