Pilot Production of Gear Steel 20CrMnTiH to Control Oxygen Content and Inclusions in Steel

王敏; 郭志强

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Pilot Production of Gear Steel 20CrMnTiH to Control Oxygen Content and Inclusions in Steel

更新时间：2026-01-21

- Pilot Production of Gear Steel 20CrMnTiH to Control Oxygen Content and Inclusions in Steel
- Special Steel Vol. 41, Issue 2, Pages: 18-20(2020)
- 作者机构：
  
  1. 湖北工程职业学院,黄石,435000
  2. 福建省三钢(集团)有限责任公司技术中心,三明,365000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：20 September 2019，
  
  Online First：21 April 2022，
  
  Published：21 April 2020
- 稿件说明：
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王敏, 郭志强. Pilot Production of Gear Steel 20CrMnTiH to Control Oxygen Content and Inclusions in Steel[J]. Special Steel, 2020, 41(2): 18-20.
DOI：

王敏, 郭志强. Pilot Production of Gear Steel 20CrMnTiH to Control Oxygen Content and Inclusions in Steel[J]. Special Steel, 2020, 41(2): 18-20. DOI：

摘要

20CrMnTiH钢的工艺流程为100t转炉-LF-VD-方坯连铸-轧制。通过采取提高转炉出钢[C

]

≥0.08%

优化LF精炼渣系

控制渣中CaO/Al

1.5～1.7

用喂SiCa线代替喂Ca线

防止钢水二次氧化等措施

20CrMnTiH齿轮钢氧含量0.0015%～0.0019%和夹杂物级别≤1.5。

Abstract

The process flowsheet for steel 20CrMnTiH is 100 t BOF-LF-VD-bloom casting-rolling. By improving converter tapping [C

]

≥08%

optimizing refining slag system

controlling the CaO/Al

in slag 1. 5 to 1. 7

using feeding SiCa wire to replace feeding Ca wire and preventing secondary oxidation of molten steel in casting

the oxygen content in gear steel 20CrMnTiH is 0.0015% ~0. 0019% and rating of inclusions in steel is ≤0.5.

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