冶金管理２００１年第１１期从２０世纪９０年代起，国内外许多钢铁企业纷纷将技术改造和技术进步的重点转向轧钢工序，短短十年里，全世界约新建６１套宽热连轧生产线，新增产能近亿吨。其中常规宽热连轧生产线２３套，新增产能近５０００万吨。薄板坯连铸连轧生产线３８套， Since the 1990s, many domestic and foreign steelmakers have shifted the focus of technological transformation and technological progress to the rolling process. In the short span of 10 years, 61 new hot and cold rolling production lines have been newly established in the world, New production capacity of nearly 100 million tons. Including conventional hot rolling production line 23 sets, the new capacity of nearly 50 million tons. 38 sets of thin slab casting and rolling production lines,