Optimum of Mould Taper Design for Slab Casting of Austenite Stainless Steel

王宝峰; 丁国; 赵建伟; 张建国

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Optimum of Mould Taper Design for Slab Casting of Austenite Stainless Steel

更新时间：2026-01-21

- Optimum of Mould Taper Design for Slab Casting of Austenite Stainless Steel
- Special Steel Vol. 26, Issue 2, Pages: 38-40(2005)
- 作者机构：
  
  1. 内蒙古科技大学,包头,014010
  2. 太原钢铁公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：14 September 2004，
  
  Online First：31 May 2023，
  
  Published：31 May 2005
- 稿件说明：
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王宝峰, 丁国, 赵建伟, et al. Optimum of Mould Taper Design for Slab Casting of Austenite Stainless Steel[J]. Special Steel, 2005, 26(2): 38-40.
DOI：

王宝峰, 丁国, 赵建伟, et al. Optimum of Mould Taper Design for Slab Casting of Austenite Stainless Steel[J]. Special Steel, 2005, 26(2): 38-40. DOI：

摘要

针对奥氏体不锈钢连铸中的质量问题

对太钢三炼钢 1260mm× 160mm板坯结晶器的锥度进行了分析。通过不锈钢铸坯在结晶器内收缩的计算和拉坯速度、过热度等工艺参数对铸坯收缩影响的分析

得出采用双锥度结晶器比单锥度结晶器更符合铸坯在结晶器内的收缩规律 :液面附近 80～200mm区域采用较大锥度

液面下 200～800mm的结晶器下部

采用较小锥度

并在此基础上设计了曲线锥度结晶器。生产试验表明

双锥度设计显著改善了铸坯质量

消除了窄面鼓肚和中间凹陷等缺陷

Abstract

In accordance with the quality problem of austenite stainless steel during concasting

the taper of mould for 1260 mm×160 mm slab casting at No3 steelmaking shop

Taiyuan Iron and Steel was analyzed. It is obtained that to adopt two taper mould

that is to use larger taper at 80～200 mm near liquid surface and use minor taper at mould bottom 200~800 mm from liquid surface

is more suitable for the law of shrinkage of casting slab in mould than single taper mould by calculation of shrinkage of stainless steel casting slab in mould and analysis of effect of process parameters such as casting speed

degree of molten steel overheating on shrinkage of casting slab.Based on this foundation the curve taper mould has been designed

and the production test showed that the quality of casting slab was obviously improved by two taper mould design to eliminate narow face bulging and concave of slab.

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