Finite Element Simulation on Decarburization of Concasting Billet of High Carbon Steel during Reheating

黄灿; 杭乃勤; 张细菊; 刘丹; 熊建良; 董素梅; 欧阳标

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Finite Element Simulation on Decarburization of Concasting Billet of High Carbon Steel during Reheating

更新时间：2026-01-21

- Finite Element Simulation on Decarburization of Concasting Billet of High Carbon Steel during Reheating
- Special Steel Vol. 26, Issue 5, Pages: 19-22(2005)
- 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(集团)公司,武汉,430083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：26 January 2005，
  
  Online First：31 March 2023，
  
  Published：31 March 2005
- 稿件说明：
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黄灿, 杭乃勤, 张细菊, et al. Finite Element Simulation on Decarburization of Concasting Billet of High Carbon Steel during Reheating[J]. Special Steel, 2005, 26(5): 19-22.
DOI：

黄灿, 杭乃勤, 张细菊, et al. Finite Element Simulation on Decarburization of Concasting Billet of High Carbon Steel during Reheating[J]. Special Steel, 2005, 26(5): 19-22. DOI：

摘要

进行了0.72%C-1.30%MnU71Mn高碳钢250 mm×280 mm×6000 mm连铸坯加热时的传热有限元模拟和通过非线性回归分析

得出钢坯在加热后钢坯脱碳深度d (mm)与加热前脱碳深度d

(mm)、钢坯表面温度 T(K)和加热时间 t (min)之间关系的数学模型: d=d

+(2.132×10

-7

-0.0002T+0.0163)·(0.208 t

0.5

-d

)。实测结果表明

模型的相对预报误差≤3.2%。根据模型计算得出铸坯的优化工艺为预热段1150℃ 86min

加热段1250℃ 131min

均热段1230℃ 68min。检验结果表明

采用优化工艺

成品脱碳深度可降低20%左右。

Abstract

The finite element simulation of heat transfer during heating of 250 mm x 280 mm x 6 000 mm concasting billet of 0.72C-1.30Mn high carbon steel U71Mn has been carried out and by non-linear regression analysis

the mathematical model for relation between decarburization depth d (mm) of steel billet with decarburization depth d

(mm) before reheating

surface temperature T (K) of billet and reheating time: d=d

+(2.132×10

-7

-0.0002T+0.0163)·(0.208 t

0.5

-d

) is obtained. Hie measured results showed that the relative prediction error was ≤3.2% . Based on calculation by the model

it is obtained that the optimum reheating procedure is 1150 °C for 86 min at preheating zone

1250 °C for 131 min at heating zone and 1230 °C for 68 min at s

oaking zone. The examination results showed that using optimum reheating procedure the decarburization of products decreased about 20%.

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