The magnetic property and other process features shown in the experiments indicate that the key to production of high quality color tube is to purify the steel and to enforce more stringent process specifications in both hot rolling and heat treatment.

• 由得到的磁性及加工工艺性能表明,净化钢质,强化热轧及热处理工艺条件,是生产优质彩管用材的关键。