Process Practice of Control Oxygen Content in Bearing Steel GCr15 Produce by 80t BOF-LF-VD-CC Flowsheet

刘发友; 王国承; 孙长余; 赵昌明; 汪琦; 毛福来

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Process Practice of Control Oxygen Content in Bearing Steel GCr15 Produce by 80t BOF-LF-VD-CC Flowsheet

更新时间：2026-01-21

- Process Practice of Control Oxygen Content in Bearing Steel GCr15 Produce by 80t BOF-LF-VD-CC Flowsheet
- Special Steel Vol. 37, Issue 5, Pages: 36(2016)
- 作者机构：
  
  1. 辽宁科技大学材料与冶金学院,鞍山,114051
  2. 山东寿光巨能特钢有限责任公司,潍坊,262711
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：04 May 2016，
  
  Online First：30 July 2022，
  
  Published：30 July 2016
- 稿件说明：
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刘发友, 王国承, 孙长余, et al. Process Practice of Control Oxygen Content in Bearing Steel GCr15 Produce by 80t BOF-LF-VD-CC Flowsheet[J]. Special Steel, 2016, 37(5): 36.
DOI：

刘发友, 王国承, 孙长余, et al. Process Practice of Control Oxygen Content in Bearing Steel GCr15 Produce by 80t BOF-LF-VD-CC Flowsheet[J]. Special Steel, 2016, 37(5): 36. DOI：

摘要

分析了BOF终点[C

]

对终点[O

]

的影响，LF精炼渣（FeO+MnO）和[Als

]

对钢水[O

]

和钢材T[O

]

的影响。通过控制BOF终点[C

]

0.12%~0.15%，下渣量＜0.10%，LF精炼控制[Als

]

0.015%~0.025%，采用高碱度中间包覆盖剂和专用GCr15钢连铸保护渣等工艺措施，在稳定工艺控制的条件下，可使钢中T[O

]

≤10×10

-6

平均T[O

]

为6.62×10

-6

。

Abstract

The effect of BOF end [C

]

on end [O

]

and the effect of LF refining slag ( FeO + MnO) and [Als

]

in steel on liquid [O

]

and finished products T[O

]

are analyzed. With using the process measures including controlling BOF end [C

]

0.12%~0.15% and amount of slagging out ＜0.10%

controlling [Als

]

0.015%~0.025% in LF refining

using high basicity tundish shielding agent and special bearing steel GCr15 casting powder

in stable process control condition the T[O

]

in steel ≤10 X 10

-6

and the average T[O

]

is 6. 62 x 10

-6

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