An Analysis on Break of Separating Ring for Horizontal Concasting and Improved Measures

田汉蒲; 徐景峰; 崔泽南; 李卫平

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An Analysis on Break of Separating Ring for Horizontal Concasting and Improved Measures

更新时间：2026-01-21

- An Analysis on Break of Separating Ring for Horizontal Concasting and Improved Measures
- Special Steel Vol. 26, Issue 4, Pages: 46-48(2005)
- 作者机构：
  
  湖南衡阳钢管(集团)有限公司,衡阳,421001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：26 December 2004，
  
  Online First：17 May 2023，
  
  Published：17 May 2005
- 稿件说明：
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田汉蒲, 徐景峰, 崔泽南, et al. An Analysis on Break of Separating Ring for Horizontal Concasting and Improved Measures[J]. Special Steel, 2005, 26(4): 46-48.
DOI：

田汉蒲, 徐景峰, 崔泽南, et al. An Analysis on Break of Separating Ring for Horizontal Concasting and Improved Measures[J]. Special Steel, 2005, 26(4): 46-48. DOI：

摘要

通过对Φ130mm管坯水平连铸用分离环拉坯过程碎裂的分析以及进行了分离环成分对性能影响的试验

改进了分离环的成分和连铸工艺。结果表明

当使用βSi3N4+30%BN分离环

分离环尺寸精度达到0.1mm

控制钢中N含量≤60×10

-6

O含量≤30×10

-6

反推量3～5mm时

分离环碎裂得到有效控制

月平均碎裂率由改进前的8.3%降至改进后0.3%以下。

Abstract

The chemical composition of separating ring and concasting process have been improved by analysis on break of separating ring for horizontal concasting φ130 mm billet for tube and test of effect of separating ring composition on properties. The results showed that with using B-Sis N

30% BN separating ring

manufactured size precision of separating ring up to 0.1 mm

controlling [N

]

no more than 60×10

-6

]

no more than 30×10

-6

and reverse bush between 3 mm and 5 mm

the break of separating ring was controlled effectively

the average break ratio of separating ring per month de- creased to less than 0.3% from original 8.3%.

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