Effect of Concasting Parameter and F-EMS on Center Carbon Segregation of 82B Steel Billet

王韬; 陈伟庆; 王宏斌; 王建忠; 张志强

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Effect of Concasting Parameter and F-EMS on Center Carbon Segregation of 82B Steel Billet

更新时间：2026-01-21

- Effect of Concasting Parameter and F-EMS on Center Carbon Segregation of 82B Steel Billet
- Special Steel Vol. 34, Issue 1, Pages: 49-51(2013)
- 作者机构：
  
  1. 北京科技大学冶金与生态工程学院,北京,100083
  2. 宣化钢铁公司技术中心，宣化,075100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：22 August 2012，
  
  Online First：14 September 2022，
  
  Published：14 September 2013
- 稿件说明：
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王韬, 陈伟庆, 王宏斌, et al. Effect of Concasting Parameter and F-EMS on Center Carbon Segregation of 82B Steel Billet[J]. Special Steel, 2013, 34(1): 49-51.
DOI：

王韬, 陈伟庆, 王宏斌, et al. Effect of Concasting Parameter and F-EMS on Center Carbon Segregation of 82B Steel Billet[J]. Special Steel, 2013, 34(1): 49-51. DOI：

摘要

试验研究了结晶器电磁搅拌240 A/4 Hz时末端电磁搅拌(160 A/4 Hz～280 A/8 Hz)

中间包钢水温度(1 500～1 542℃)

拉速(1.7～1.9 m/min)和二冷区比水量(0.7～1.1 L/kg)对82B钢(/%:0.81C、0.76Mn、0.25Si、0.2Cr)150 mm×150 mm方坯中心碳偏析的影响。结果表明

在未采用末端电磁搅拌时

降低过热度和拉速、提高比水量有利于减少小方坯中心碳偏析。采用最佳的末端电磁搅拌参数160 A/6 Hz时

82B钢小方坯中心碳偏析指数最低

为1.02。

Abstract

The effect of final electromagnetic stirring (F-EMS) (160 A/4 Hz 〜280 A/8 Hz)

temperature of liquid in tundish (1 500 〜1 542 ℃)

casting speed (1.7 ~ 1. 9 m/min) and secondary cooling water ratio (0. 7 ~ 1. 1 L/kg) on center carbon segregation of 150 mm x 150 mm billet of 82B steel (/%: 0. 81C

0. 76Mn

0. 25Si

0. 2Cr) with mold electromagnetic stirring (M-EMS) 240 A/4 Hz has been tested and studied. Results show that in condition without using FEMS

with decreasing overheat extent of liquid in tundish and casting speed

and increasing secondary cooling water ratio

the center carbon segregation index of billet decreases ； and in condition with using F-EMS with optimized parameter 160 A/ 6 Hz the carbon segregation of billet of 82B steel is minimum

that is 1. 02.

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