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C76200 Nickel Silver vs. Synthetic Sapphire

C76200 nickel silver and synthetic sapphire belong to fundamentally different material chemistries. C76200 nickel silver is a metal, while synthetic sapphire is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 16 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C76200 nickel silver and the bottom bar is synthetic sapphire.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
450
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 44
150
Tensile Strength: Ultimate (UTS), MPa 390 to 790
2470

Thermal Properties

Maximum Temperature: Mechanical, °C 170
2000
Melting Onset (Solidus), °C 980
2050
Specific Heat Capacity, J/kg-K 390
760
Thermal Conductivity, W/m-K 45
30
Thermal Expansion, µm/m-K 19
5.3

Otherwise Unclassified Properties

Density, g/cm3 8.2
4.0

Common Calculations

Stiffness to Weight: Axial, points 7.8
63
Stiffness to Weight: Bending, points 20
64
Strength to Weight: Axial, points 13 to 27
170
Strength to Weight: Bending, points 14 to 23
100
Thermal Diffusivity, mm2/s 14
9.9
Thermal Shock Resistance, points 13 to 26
74