The writers introduced the possibility of the innovation to the large repeater of the 250 mill, the decision making course of the technology index and the practice effect of the real production.

• 论述了安钢250机组轧机大围盘工艺改进的可行性分析,大围盘工艺技术参数确定过程以及实施此工艺的生产实践效果。