Thus different methods used to add Ce,control deoxidization procese with inclusion control and the model for N2 content control were studied.Now 253 MA can be prepared and cast successfully.

• 通过对不同稀土加入方式、过程脱氧、夹杂物控制以及精确控N模型等的相关参数的研究，成功完成了253MA的冶炼连铸，为生产板材创造了良好的条件。