The commonly used wear-resistant materials (Carbide) for mechanical seals are roughly divided into silicon carbide (SIC) and tungsten carbide (TC). SIC can be subdivided into R-SIC, S-SIC and G-SIC, and tungsten carbide can be divided into nickel and Cobalt is two kinds of binding agents.
volume (g/cm3) |
hardness (HRA) |
Modulus of elasticity (GPa) |
Bending strength (MPa) |
Compressive strength (MPa) |
Thermal conductivity
|
Thermal conductivity
|
|
R-SIC | 3.05 | 90.4 | 387 | 387 | 2097 | 164 | 4.3 |
S-IC | 3.12 | 92.3 | 413 | 401 | 2206 | 119 | 4.0 |
G-SIC | 2.94 | 92.3 | 239 | 239 | 866 | 126 | 3.9 |
TC(NI) | 14.5 | 88.7 | 700 | 895 | 6000 | 63.0 | 6.0 |