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C76200 Nickel Silver vs. PCTFE

C76200 nickel silver and PCTFE belong to fundamentally different material chemistries. C76200 nickel silver is a metal, while PCTFE is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 14 material properties with values for both materials. Properties with values for just one material (27, 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 PCTFE.

UNS C76200 (CW405J) Nickel SilverPolychlorotrifluoroethylene (PCTFE)
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
1.4
Tensile Strength: Ultimate (UTS), MPa 390 to 790
36

Thermal Properties

Maximum Temperature: Mechanical, °C 170
150
Melting Onset (Solidus), °C 980
220
Specific Heat Capacity, J/kg-K 390
920
Thermal Conductivity, W/m-K 45
0.21
Thermal Expansion, µm/m-K 19
130

Otherwise Unclassified Properties

Density, g/cm3 8.2
2.1

Common Calculations

Stiffness to Weight: Axial, points 7.8
0.37
Stiffness to Weight: Bending, points 20
17
Strength to Weight: Axial, points 13 to 27
4.6
Strength to Weight: Bending, points 14 to 23
11
Thermal Diffusivity, mm2/s 14
0.11
Thermal Shock Resistance, points 13 to 26
14