ROLL FOR CONVEYING HIGH TEMPERATURE MEMBER, ITS PRODUCTION METHOD, AND THERMAL SPRAY MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a technique of forming a sprayed coating having excellent durability to a roll for conveying such as a hot run table roller for conveying a high temperature member such as a hot rolled steel at high speed without causing technical problems as shown in the conventional techniques, to provide an advantageous production method for forming a homogeneous hardened layer on the surface of the roll, also capable of maintaining the effect over a long period of time and further capable of forming the sprayed coating having satisfactory durability at a low cost, and to provide a thermal spray material therefor. SOLUTION: The surface of a roll base material for conveying a high temperature member is coated with a sprayed coating in which Fe-Al alloy powder is dispersed into an Ni based self-fluxing alloy matrix. COPYRIGHT: (C)2006,JPO&NCIPI