9th ECCC European Continuous Casting Conference – ECCC 2017

Danieli sets a new benchmark in continuous casting for largest round sections, after revamping of the CC3 machine in ABS plant (Italy). The startup in Huaigang (PR China) and Baosteel (PR China) as well as new orders of CCM in XiWang and revamping in YongGang confirm the constant market trend in increasing round section sizes for large radius CCM, endorsing the Danieli leadership in this market segment. In case of ABS-CC3 the 18m-radius encloses short pitch among withdrawal modules with six unbending points, enlarging and enhancing the product mix for as-cast production as well as sections in feeding the innovative rotary forge. Casting rounds up to Ø850 mm in diameter on a curved machine is now a reality on large part of the production mix, including ternary grades which are already competing with the quality of the ingot route, ensuring higher productivity and better metallic yield. The top-fed dummy bar, now in full operation in ABS-CC3, guarantees a consistent reduction in restranding time up 60% compared with conventional bottom feeding for the largest section. M-EMS technology, combined with the dynamically controlled F-EMS allows to optimize the quality also in no-steady state conditions, being driven by the new on-line 3D-LPC model for the determination of the temperature and solidification profile. Danieli CCMs now represent the state-of-the-art of the technology for casting large round section, being equipped with all the up-to-date technological packages for process, automation control and safety. The achieved top quality in round bloom casting demonstrates reliability of the know-how in process knowledge and engineering solutions.