衡钢管线用洁净钢EBT EAF-LF(VD)-HCC工艺生产实践

Production Practice of EBT EAF-LF(VD)-HCC Process for Pipe Clean Steel at Henyang Steel Tube

衡阳钢管公司用 30tEBT电弧炉、LF(VD)和水平连铸工艺生产的管线钢洁净度为 :P≤ 0 .0 15 % ,S≤ 0 .0 0 6 % ,H 2× 10 - 6 ,N≤ 5 0× 10 - 6 ,O(15～ 30 )× 10 - 6 ,As+Sn +Pb +Sb +Bi≤ 0 .0 5 0 %。

The cleanliness of pipe steel produced by 30 t EBT arc furnace, LF(VD) and horizontal continuous casting process at Henyang Steel Tube Co was P≤0.015%, S≤0.006%, H 2×10 -6, O (15～30)×10 -6, N≤50×10 -6 and As+Sn+Pb+Sb+Bi≤0.050%.