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C19020 Copper vs. C78200 Nickel Silver

Both C19020 copper and C78200 nickel silver are copper alloys. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C19020 copper and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.3 to 5.7
3.0 to 40
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
43
Shear Strength, MPa 260 to 340
280 to 400
Tensile Strength: Ultimate (UTS), MPa 440 to 590
370 to 630

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
1000
Melting Onset (Solidus), °C 1030
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 190
48
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
11
Electrical Conductivity: Equal Weight (Specific), % IACS 50
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 18
12 to 21
Strength to Weight: Bending, points 14 to 18
14 to 19
Thermal Diffusivity, mm2/s 55
15
Thermal Shock Resistance, points 16 to 21
12 to 21

Alloy Composition

Copper (Cu), % 95.7 to 99.19
63 to 67
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0.5 to 3.0
7.0 to 9.0
Phosphorus (P), % 0.010 to 0.2
0
Tin (Sn), % 0.3 to 0.9
0
Zinc (Zn), % 0
20.2 to 28.5
Residuals, % 0
0 to 0.5