Effect of Holding Technology at Intermediate Roll Table in Hot Continuous Rolling on Phase Transformation and Structure of Low Carbon Steel

徐远军; 赵刚; 温盾; 魏钢城

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Effect of Holding Technology at Intermediate Roll Table in Hot Continuous Rolling on Phase Transformation and Structure of Low Carbon Steel

更新时间：2026-01-21

- Effect of Holding Technology at Intermediate Roll Table in Hot Continuous Rolling on Phase Transformation and Structure of Low Carbon Steel
- Special Steel Vol. 28, Issue 3, Pages: 25-27(2007)
- 作者机构：
  
  1. 武汉科技大学材料与冶金学院,武汉,430081
  2. 武汉钢铁公司,武汉,430083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：15 November 2006，
  
  Online First：31 January 2023，
  
  Published：31 January 2007
- 稿件说明：
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徐远军, 赵刚, 温盾, et al. Effect of Holding Technology at Intermediate Roll Table in Hot Continuous Rolling on Phase Transformation and Structure of Low Carbon Steel[J]. Special Steel, 2007, 28(3): 25-27.
DOI：

徐远军, 赵刚, 温盾, et al. Effect of Holding Technology at Intermediate Roll Table in Hot Continuous Rolling on Phase Transformation and Structure of Low Carbon Steel[J]. Special Steel, 2007, 28(3): 25-27. DOI：

摘要

利用膨胀法在Thermecmastor-Z热模拟实验机上测定了低碳钢Q235(％:0.15C、0.005B)1 050℃30％变形后经10

90 s保温冷却至1 000℃30％变形

5℃/s冷却至880℃

然后以1

25℃/s速度冷却的连续冷却转变(CCT)曲线。随中间辊道保温时间的延长

连续冷却相变开始和结束曲线均向右下方移动

并且钢的室温晶粒逐渐变大。

Abstract

The continuous cooling transformation(CCT)curves of low carbon steel Q235(0. 15C

0.005B)with 1050℃30% deformation

holding 10

90s and cooling to 1000℃30% deformation then cooling with 5℃/s to 880℃ and cooling with1

15 and 25℃/s have been measured using dilatometry by Thermecmastor-Z thermal simulation machine. With prolonging holding time at intermediate roll table

the CCT phase transformation beginning and finishing curves moved down to right and grain size of steel at ambient gradually enlarged.

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