| 摘要 |
PROBLEM TO BE SOLVED: To provide the plate wound type hollow roll barrel member not having problem of hardness unevenness of a joined part, etc. SOLUTION: In the member for the hollow roll barrel having a joined part 5, in which a cylindrical body 4 is made by joining/closing straight end sides 2, 3 of a cylindrical formed body 1 or two semicircular formed bodies 1', 1' of metal plate each other, by forming the part at least at the outer face side of the joined part 5 with liquid phase diffusion joining method, the solidified structure by welding is not exposed on the surface of joined part 5. |
