METHOD AND APPARATUS OF MANUFACTURING HOT-ROLLED STEEL SHEET

• Main Authors: TAKESHI ICHIRO, TSUZAKI KANEAKI, SHINTOMI TATSUYA, ADACHI YOSHITAKA, OTANI TAKASHI, TORITSUKA SHIRO
• Format: Patent
• Language: English
• Published: 27.12.2007
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a method and an apparatus of manufacturing a hot-rolled steel sheet by which the crystal grain size in a ferrite structure can be micronized to nearly 2 μm. SOLUTION: This method is a method of manufacturing the hot-rolled steel sheet by which a heated steel sheet X...