One of the major fields of innovation that has emerged over recent years relates to the development of a number of complementary and ultra-fast strip cooling techniques that make it possible to process the latest-generation steels.
In order to guarantee the required strip quality and stability and to reduce energy consumption, John Cockerill offers both its patented cutting-edge low-vibration cooling system Blowstab® and the latest-generation cooling equipment in the form of the IWAC® liquid cooling system and the UDC® ultra-dry cooling system. These solutions offer a cooling speed of 1000°C and 600°C per second respectively without oxidising the strip, to make cold-rolled steel even more resistant whilst maintaining its ductility.
Automated and cutting-edge cooling technologies
Our latest advancements for new or upgraded automotive CAL and CGL furnaces, as well as APC sections, focus on innovative cooling technologies specifically designed for continuous annealing lines (CAL) and continuous galvanizing lines (CGL) in the automotive industry. The focus is on two key advancements: the Blowstab® and Ultra Dry® cooling systems, both designed to enhance production efficiency and product quality.
- Blowstab® System: This patented technology stabilizes strip vibrations and achieves high cooling rates of up to 150°C/s. It minimizes surface defects like scratches by ensuring strip stability without the need for additional tensioning or stabilizing rolls, resulting in a more efficient and defect-free cooling process.
- Ultra Dry® Cooling System: Capable of reaching cooling rates of up to 500°C/s without causing oxidation, Ultra Dry® preserves the steel’s surface quality, making it ideal for maintaining coating and adhesion properties critical for downstream coating processes.
These systems are essential for producing Advanced High Strength Steels (AHSS), helping clients meet stricter automotive standards.