特殊钢
特殊鋼
특수강
Special Steel
2015年
6期
13-15
,共3页
含钛焊丝钢%TiN%连铸%析出%水口结瘤%工艺实践
含鈦銲絲鋼%TiN%連鑄%析齣%水口結瘤%工藝實踐
함태한사강%TiN%련주%석출%수구결류%공예실천
ER70S-G含钛焊丝钢(/％:0.07C,0.82Si,1.49Mn,0.012P,0.010S,0.19Ti,0.006 2N)生产流程为80 t顶底复吹转炉-LF-150mm× 150mm方坯连铸-盘条轧制工艺.热力学计算和生产实践表明,当浇铸温度≥1 560℃,[N]≤78.6×10-6,[Ti/％][N/％]≤0.001 49及拉速2.0～2.5 m/min时,可以避免在浇铸过程TiN析出和水口结瘤.
ER70S-G含鈦銲絲鋼(/％:0.07C,0.82Si,1.49Mn,0.012P,0.010S,0.19Ti,0.006 2N)生產流程為80 t頂底複吹轉爐-LF-150mm× 150mm方坯連鑄-盤條軋製工藝.熱力學計算和生產實踐錶明,噹澆鑄溫度≥1 560℃,[N]≤78.6×10-6,[Ti/％][N/％]≤0.001 49及拉速2.0～2.5 m/min時,可以避免在澆鑄過程TiN析齣和水口結瘤.
ER70S-G함태한사강(/％:0.07C,0.82Si,1.49Mn,0.012P,0.010S,0.19Ti,0.006 2N)생산류정위80 t정저복취전로-LF-150mm× 150mm방배련주-반조알제공예.열역학계산화생산실천표명,당요주온도≥1 560℃,[N]≤78.6×10-6,[Ti/％][N/％]≤0.001 49급랍속2.0～2.5 m/min시,가이피면재요주과정TiN석출화수구결류.
