Posted on 08 Dec 2016
Modern cooling models for advanced steel grades in the hot strip mill in Raahe
Primetals Technologies has received an order from SSAB Europe Oy to modernize the cooling section automation in the hot rolling mill in its steel plant in Raahe, Finland. The scope of supply includes the the process automation (level 2) hardware and software as well as the basic automation software including the software switch for shadow mode and smooth switchover to the new system, and the commissioning. The project is scheduled for completion in April 2018. In the course of the project, the level 1 automation will be replaced by a new basic automation together with and by the customer. For the new process automation that covers most of the functions for this new model, Primetals Technologies will supply the hard and software together with tools to handle and control the cooling section and provide functions to handle complex cooling functions and steel grades. This includes also the advanced steel grades produced here in the Raahe works. The new systems will replace obsolete, third-party hardware. Primetals Technologies will modernize the cooling section automation in the hot rolling mill of SSAB Europe Oy in Raahe, Finland. The image shows the TTT (Time Temperature Transformation) diagram and corresponding CCT (Continuous Cooling Transformation) diagram of a special steel grade.
