The Steckel mill rolling process differs considerably from convention tandem or reversing hot rolling mills, mainly due to the use of Steckel furnaces for heat retention.

This paper introduces the digital combined constant tension control system applicated on the high performance cold reversing mill of the third cold rolling strip plant of Shanghai.

Two-Stand Hot Reversing Mill is very complex as a auto control object, and rolling process is automatic procedure, the architecture of control system base on hierarchical control structure.