稀土合金化石油套管钢精炼-连铸-轧制过程夹杂物演变行为

梁雨雨, 倪培远, 刘麒麟, 厉英

Evolution Behavior of Inclusions in Rare Earth Metal Alloying Oil Casing Steel During Refining and Casting and Hot-Rolling Process

LIANG Yuyu, NI Peiyuan, LIU Qilin, LI Ying

图4 精炼和连铸过程中元素含量变化 (a) content of RE in RE steel (b-d) contents of Ca (b), Al (c), and T.O and S (d) in RE-free and RE steels

Fig.4 Changes of element content in refining and casting processes