Deoxidation Process of Low Carbon Gear Steel for Auto in LF-VD Refining

肖爱平; 李德胜; 雷应华; 颜学勇; 陈君

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Deoxidation Process of Low Carbon Gear Steel for Auto in LF-VD Refining

更新时间：2026-01-21

- Deoxidation Process of Low Carbon Gear Steel for Auto in LF-VD Refining
- Special Steel Vol. 26, Issue 4, Pages: 40-41(2005)
- 作者机构：
  
  大冶特殊钢股份有限公司,黄石,435001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 January 2005，
  
  Online First：17 May 2023，
  
  Published：17 May 2005
- 稿件说明：
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肖爱平, 李德胜, 雷应华, et al. Deoxidation Process of Low Carbon Gear Steel for Auto in LF-VD Refining[J]. Special Steel, 2005, 26(4): 40-41.
DOI：

肖爱平, 李德胜, 雷应华, et al. Deoxidation Process of Low Carbon Gear Steel for Auto in LF-VD Refining[J]. Special Steel, 2005, 26(4): 40-41. DOI：

摘要

分析和研究了105炉SCM318H、SCM322H、SCM420KC、SCM822H、SCr420K等汽车用低碳齿轮钢的20tLFVD精炼终渣碱度、终Al含量和真空时间对钢中氧含量的影响。实践操作结果表明

采用白渣操作

控制终渣碱度不低于3

终Al含量≥0.22%、真空处理时间不低于25min

可使低碳齿轮钢的氧含量稳定地≤15×10

-6

平均氧含量为11.58×10

-6

。

Abstract

The effect of end slag basicity

end Al content and vacuum treatment time in 20t LF-VD refining on oxygen content in 105 heats gear steels SCM318H

SCM322H

SCM420K-C

SCM822H and SCr40K for auto has been analyzed and studied. The practice operation results showed that using white slag operation

controlling end slag basicity no less than 3

end Al content in steel ≥0.22%

vacuum treatment time ≥25 min

the oxygen content in low carbon gear steel was definite ≤15×10

-6

the average oxygen content in steel was 11.58×10

-6

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