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C75700 Nickel Silver vs. C72200 Copper-nickel

Both C75700 nickel silver and C72200 copper-nickel are copper alloys. They have 78% of their average alloy composition in common. There are 24 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 C75700 nickel silver and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
48
Tensile Strength: Ultimate (UTS), MPa 590 to 610
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 180
230
Melting Completion (Liquidus), °C 1040
1180
Melting Onset (Solidus), °C 990
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 40
34
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
36
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.9
Embodied Energy, MJ/kg 56
59
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.8
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
11 to 18
Strength to Weight: Bending, points 19
12 to 17
Thermal Diffusivity, mm2/s 12
9.6
Thermal Shock Resistance, points 22 to 23
12 to 20

Alloy Composition

Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 63.5 to 66.5
78.1 to 84.2
Iron (Fe), % 0 to 0.25
0.5 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 11 to 13
15 to 18
Zinc (Zn), % 19.2 to 25.5
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.2

Comparable Variants