API high quality mud pump bi-metal liner, triplex mud pump liner
1. Our premium liners are made of a forged steel outer shell and a high chromium iron inner sleeve. The out shell is centrifugally forged with high quality carbon steel, with Tensile Strength > 610Mpa, Yield Strength > 450 Mpa, Elongation >17%, Hardness HB -180-200; The inner sleeve is centrifugally forged with high chrome iron alloy, with Hardness over HRC62 after heat treatment. Each liner is machined to close tolerances to assure ease of installation and long liner life with the inside diameter of these premium liners honed to a mirror-like finish for smooth even wear during the life of the liner. It could serve more than 800 hours.