bi-metal liner

Bimetallic cylinder liner is currently one of the most widely used and largest hydraulic end fittings for mud pumps. The bimetallic cylinder liner combines the advantages of a hot forged high wear outer sleeve and a high chromium wear-resistant and corrosion-resistant inner sleeve. The outer sleeve is made of high-quality carbon steel and is formed by hot pressing in one go, while the inner sleeve is made of high chromium cast iron by centrifugal casting. The outer sleeve has a diameter of over 900000psiThe tensile strength of the inner sleeve reaches HRC62 or above after heat treatment, and it can withstand mud pressure of 7000psi. Its inner surface is as smooth as a mirror, and the size tolerance of the inner hole is strict. The normal service life can reach more than 800 hours