NISCO issues FAC for the biggest KOCKS RSB® 500

The Chinese special steel producer Nanjing Iron & Steel Co Ltd. (NISCO) grants to Friedrich KOCKS GmbH & Co KG, the FAC (Final Acceptance Certificate) for the successful commissioning of the 3-roll Reducing & Sizing Block (RSB®) 500++/4 in 5.0 design.



The KOCKS 3-roll RSB 500++ is the answer to the expanding and demanding market for medium and large size SBQ products. It operates at NISCO’s 800.000t/a medium bar mill as the finishing unit for the production of straight bars within a dimensional range from Ø 50.0 to 160.0 mm.

Apart from the RSB® 5.0, KOCKS was responsible for the thermomechanical rolling process including five water boxes and full automation package. The low temperature rolling process is applied for sizes up to Ø 130 mm. Beside the RSB 500++/4, NISCO is also operating successful a RSB® 370++/4 in the small bar mill since 2013.