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C73500 Nickel Silver vs. C18200 Copper

Both C73500 nickel silver and C18200 copper are copper alloys. They have 72% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C73500 nickel silver and the bottom bar is C18200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 73 to 88
65 to 82
Shear Modulus, GPa 47
44
Tensile Strength: Ultimate (UTS), MPa 380 to 580
310 to 530

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 1140
1080
Melting Onset (Solidus), °C 1090
1070
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 36
320
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
80
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
81

Otherwise Unclassified Properties

Base Metal Price, % relative 35
31
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 4.0
2.6
Embodied Energy, MJ/kg 61
41
Embodied Water, L/kg 300
310

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 19
9.6 to 16
Strength to Weight: Bending, points 13 to 18
11 to 16
Thermal Diffusivity, mm2/s 10
93
Thermal Shock Resistance, points 13 to 19
11 to 18

Alloy Composition


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Chromium (Cr), % 0
0.6 to 1.2
Copper (Cu), % 70.5 to 73.5
98.6 to 99.4
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.050
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 16.5 to 19.5
0
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 5.7 to 13
0
Residuals, % 0 to 0.5
0