Effect of Metal Rheology of Gear Steel 20CrMnTiH in Rolling Process on Carbon Segregation of Casting Bloom

李曲全; 颜慧成; 曾凡政; 刘建; 唐广波

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Effect of Metal Rheology of Gear Steel 20CrMnTiH in Rolling Process on Carbon Segregation of Casting Bloom

更新时间：2026-01-21

- Effect of Metal Rheology of Gear Steel 20CrMnTiH in Rolling Process on Carbon Segregation of Casting Bloom
- Special Steel Vol. 36, Issue 1, Pages: 14-16(2015)
- 作者机构：
  
  1. 湖南华菱湘钢股份有限公司技术中心,湘潭,411101
  2. 钢铁研究总院
  3. 国家连铸技术工程研究中心和3结构材料研究所,北京,100081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：20 August 2014，
  
  Online First：29 August 2022，
  
  Published：29 August 2015
- 稿件说明：
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李曲全, 颜慧成, 曾凡政, et al. Effect of Metal Rheology of Gear Steel 20CrMnTiH in Rolling Process on Carbon Segregation of Casting Bloom[J]. Special Steel, 2015, 36(1): 14-16.
DOI：

李曲全, 颜慧成, 曾凡政, et al. Effect of Metal Rheology of Gear Steel 20CrMnTiH in Rolling Process on Carbon Segregation of Casting Bloom[J]. Special Steel, 2015, 36(1): 14-16. DOI：

摘要

通过20CrMnTiH钢430 mm×300 mm连铸坯射钉试验模拟铸坯粗轧和至Φ130 mm钢材轧制过程中的金属流变。试验结果表明

平行于射钉方向

钉子变形延展成扁平状

垂直于射钉方向

钉子压缩成镰刀状弯曲

轧制对改善成品钢材横截面上的宏观碳偏析无明显效果。

Abstract

The metal rheology of steel 20CrMnTiH during rolling process of 430 mm x 300 mm casting bloom to Φ130 mm steel product is simulated by bloom pin-shooting test. Test results show that in the direction of parallel to pin-shooting

the pin is deformed and extend-spread to flat type

and in the direction of perpendicular to pin-shooting

the pin is compressed to sickle-type bend

therefore the effect of rolling process on macro-carbon segregation in cross section of finishing products is not obvious.

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