Slag modifier for refining molten steel

Application Number: 00107235
Application Date: 2000.04.29
Publication Number: 1286312
Publication Date: 2001.03.07
Priority Information:
International: C21C7/076
Applicant(s) Name: Xing Chao
Inventor(s) Name: Xing Chao;Li Jizong;Liao Fangming
Patent Agency Code: 11019
Patent Agent: bai jiaju
Abstract A slag modifier for refining molten steel contains CaO (20-45 wt.%), Al2O3 (20-45 wt.%), one or more of Al, Si, Ca, Ba and Re (5-15 wt.%), CaF2 (4-6 wt.%), SiO2 (less than 10 wt.%) and MgO (less than 10 wt.%), and has the structure to pre-smelt sosoloid. The refined steel contains low contents of S,O2 and impurities.