Mud pump liners,bi-metal liner, someone also calls hy-chrome liner, super premium liner, high chrome sleeve liner and supreme liner.

Outer hull:

forged by high quality carbon steel 45#;

tensile strength is σb>610MPa

yield strength is σs>450MPa

elongation is §>17%

hardness is HB180-200

Inner sleeve:

centrifugal casting by high carbon and high chromium cast iron

Chromium content: 26~28%

Features:

-62-69 Rockwell C hardness

-high surface finish, wear resistant, corrosion resistant

-Service life more than 800hours

We can provide spare parts for the following series of drilling mud pump: