Making method of hot-rolled steel sheet comprises rough rolling a slab into a rough bar, heating the rough bar, guiding the rough bar with side guides and finish rolling the rough bar. The apparatus comprises a rough rolling mill, a heating device for heating the rough bar, side guides for guiding the...http://www.google.com.au/patents/US5927118?utm_source=gb-gplus-sharePatent US5927118 - Method for making hot-rolled steel sheet and apparatus therefor
