The compound roll is centrifugally cast with high Cr cast iron as outer material, and nodular iron as thematerial of its core and neck.

• 采用电磁半连续复合铸造法制成芯轴为45钢的高钒高速钢和高铬铸铁两种复合轧辊,对复合界面的组织和性能进行了研究。