Development and prospect of mold fluxes for the casting of advanced high strength steels

During the continuous casting of advanced high strength steels (AHSS) ,AI in molten steel will react with traditional CaO-SiO2-based mold flux and deteriorate mold flux properties, which influence the smooth operation of the continuous casting process. Therefore, researchers optimized the traditional CaO-SiO2-based mold flux and designed a new mold flux with CaO-AI2 03-based. This article systematic summarized the development of the traditional CaO-SiO2-based mold flux and the new Ca0-Al:O3-based mold flux, the purpose is to provide technical guidance and research direction for the design and optimization of continuous casting flux for high strength steel.