在实验室内模拟结晶器喂丝的工艺方法，进行１６Ｍｎ钢中添加稀土元素的试验研究。结果表明：在结晶器内喂稀土丝，稀土合适的加入量为０．１２％～０．１４％。铜中氧的活度可降至２０×１０￣（－６）左右；钢的晶粒度可提高约２个级别；钢中夹杂物状况得以改善，尤其是硫化物夹杂有明显的减少；钢的冲击韧性有较大的提高。 In the laboratory simulation of the mold wire feeding process, 16Mn steel added rare earth elements in the experimental study. The results showed that rare earth was fed into the crystallizer, and the suitable addition amount of rare earth was 0.12% ~ 0.14%. The activity of copper in the copper can be reduced to about 20 × 10 ~ (-6); the grain size of the steel can be increased by about 2 levels; the condition of the inclusions in the steel is improved, especially that of the sulfide inclusions is obviously reduced; The impact toughness has been greatly improved.