Table 10: Wear rate values.

Coating Material

Wear Rate (mm3/Nm)

Low-carbon steel

0.000231

In625 20 °C

0.000021

In625 1000 °C

0.00008

In625-Cr2O3-Ag 20 °C

0.00001

In625-Cr2O3-Ag 1000 °C

0.000022

Tungsten Carbide 5 N

NA

Tungsten Carbide 10 N

NA

CoNiCrAlY bond coat and Chromium Oxide top coat

0.000025