Effect of Carbon Segregation and Residual B on Hardenability of Gear Steel 20CrMnTiH1

陶建军; 朱惠刚; 吴小林

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Effect of Carbon Segregation and Residual B on Hardenability of Gear Steel 20CrMnTiH1

更新时间：2026-01-21

- Effect of Carbon Segregation and Residual B on Hardenability of Gear Steel 20CrMnTiH1
- Special Steel Vol. 28, Issue 5, Pages: 58-59(2007)
- 作者机构：
  
  江阴兴澄特种钢铁有限公司，江阴,214432
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：20 March 2007，
  
  Online First：15 February 2023，
  
  Published：15 February 2007
- 稿件说明：
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陶建军, 朱惠刚, 吴小林. Effect of Carbon Segregation and Residual B on Hardenability of Gear Steel 20CrMnTiH1[J]. Special Steel, 2007, 28(5): 58-59.
DOI：

陶建军, 朱惠刚, 吴小林. Effect of Carbon Segregation and Residual B on Hardenability of Gear Steel 20CrMnTiH1[J]. Special Steel, 2007, 28(5): 58-59. DOI：

摘要

试验分析了电磁搅拌电流对20CrMnTiH1齿轮钢180 mm×180 mm连铸坯碳偏析的影响以及精炼和连铸工序钢中残余B含量及其变化对钢淬透性的影响。结果表明

电磁搅拌电流从200 A降至100 A时

铸坯碳偏析指数降低0.1;控制钢中残余B≤0.000 2%

可使20CrMnTiH1齿轮钢淬透性带宽≤4 HRC。

Abstract

The effect of magnetic stirring current on carbon segregation of 180 mm×180 mm cast billet of gear steel 20CrMnTiHl and the effect of change of residual B content in steel during refining and casting on hardenability of steel have been tested and analyzed. Results showed that as magnetic stiring current decreased from 200 A to 100 A

the carbon segregation index of cast billet decreased by 0.1;with controlling residual B in 20CrMnTiHl steel≤0.0002%

the hardenability band width of steel was ≤ 4 HRC.

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