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C72150 Copper-nickel vs. C74400 Nickel Silver

Both C72150 copper-nickel and C74400 nickel silver are copper alloys. They have 58% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
43
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 55
39
Shear Strength, MPa 320
240
Tensile Strength: Ultimate (UTS), MPa 490
350
Tensile Strength: Yield (Proof), MPa 210
120

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 600
140
Melting Completion (Liquidus), °C 1210
930
Melting Onset (Solidus), °C 1250
910
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
26
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
29

Otherwise Unclassified Properties

Base Metal Price, % relative 45
25
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 6.1
2.9
Embodied Energy, MJ/kg 88
48
Embodied Water, L/kg 270
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
63
Stiffness to Weight: Axial, points 9.1
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
12
Strength to Weight: Bending, points 15
14
Thermal Diffusivity, mm2/s 6.0
37
Thermal Shock Resistance, points 18
12

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
62 to 66
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
2.0 to 4.0
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
29.6 to 36
Residuals, % 0 to 0.5
0 to 0.3