Sign In | Join Free | My chinacomputerparts.com |
|
Hardfacing Cinquefoil Tungsten Carbide Nozzle For PDC Drilling Bit Recommended tungsten carbide grade list Grade Co (Wt %) Density (g/cm3) Hardness (HRA) TRS (≥N/mm²) ZY11-C 9.0-11.0 14.33-14.53 88.6...