The problems of groove rolling for multi-product were analyzed.The grooveless rolling technology was tested on two bar rolling lines of Xinjiang Bayi Iron and Steel Group Co.

• 介绍了为解决轧制多品种产品时有孔型轧制存在的问题,先后在2条棒材生产线进行了无孔型轧制试验,并在第2条棒材生产线上基本实现了全连轧。