Abstract： Systematical analysis of changes of nonmetallic inclusions at the time of casting start was taken. Samples were continuously taken from the liquid steel of the tundish during the time of casting start of SPHC steel continuous casting. Total oxygen content, nitrogen content and nonmetallic inclusions of the samples were analyzed in detail. It is found that, at the time of casting start, the reoxidation of the liquid steel in the tundish is serious. The liquid steel in tundish reaches a more stable state after time of about 21 minutes from the time of casting start. Calcium treatment can modify nonmetallic inclusions and reduce the nozzle clogging.
曹晶，杨文，王新华，王万军，薛勇强. 低碳铝脱氧钢连铸开浇阶段钢中非金属夹杂物的变化[J]. 钢铁, 2011, 46(6): 37-39.
CAO Jing1,YANG Wen1,WANG Xinhua1,WANG Wanjun1,XUE Yongqiang2. Changes of NonMetallic Inclusions for LowCarbon AluminiumKilled Steel Sheet at the Start of Continuous Casting. Iron and Steel, 2011, 46(6): 37-39.
2011, Vol. 46 
