PURPOSE: To provide continuous hot rolling at high productivity without breaking separating joined part during rolling.
CONSTITUTION: At the time of joining a preceding slab 1 and the following slab 2 through the rough rolling stage, thinning work is executed to at least both end parts in the breadthwise direction in the rear end part of the preceding slab 1, or each of the rear end part of the preceding slab 1 and the tip part of the following slab 2 before or after cutting work, next, both slabs are joined by executing heating and pressurizing treatment to contact regions in the state that at least both end parts in the breadthwise direction are brought into contact in butting state of each slab is butted and, after that, fed to finish rolling.
KITAHAMA MASANORI
TAKEBAYASHI KATSUHIRO
ISOBE KUNIO
YARITA YUKIO
TAKASHIMA NORIO
ISHIKAWA TAKASHI
TAKECHI TOSHISADA
AOKI FUJIO
