1. Introduction of polished rod clampsThe polished rod clamps are used to connect the polished rod and pump unite. 2. Material1. Chemical CompositionTo meet the requirements of this specification, polished rod manufactured from any AISI or equivalent specification recommended cast iron or carbon ste

The polished rods are used to connect sucker rod and pump unite.The spray welding polished rod adopts the sucker rod pump plunger manufacturing process, and sprays the alloy powder on the surface of the rod body to improve the surface hardness of the rod body and enhance the wear resistance and corr