THREADED JOINT FOR STEEL PIPES

摘要

FIELD: transport, pipelines. ^ SUBSTANCE: proposed threaded joint comprises a sleeve and a coupling with threaded sections and a threadless contact to get into contact on fastening the joint. The contact surfaces of at least one sleeve or coupling are coated with a lower layer of solid lubricating coat including a solid lubricating powder and a binder, and an upper layer of solid antirust coat from organic resin not containing solid particles. ^ EFFECT: higher adhesion. ^ 10 cl, 4 dwg