Control of Inclusion Transformation in Steelmaking Process of Tyre Cord Steel

陈书浩; 何肖飞; 姜敏; 王新华; 黄福祥; 王万军

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Control of Inclusion Transformation in Steelmaking Process of Tyre Cord Steel

更新时间：2026-01-21

- Control of Inclusion Transformation in Steelmaking Process of Tyre Cord Steel
- Special Steel Vol. 33, Issue 1, Pages: 41-45(2012)
- 作者机构：
  
  北京科技大学冶金与生态工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 September 2011，
  
  Online First：20 September 2022，
  
  Published：20 September 2012
- 稿件说明：
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陈书浩, 何肖飞, 姜敏, et al. Control of Inclusion Transformation in Steelmaking Process of Tyre Cord Steel[J]. Special Steel, 2012, 33(1): 41-45.
DOI：

陈书浩, 何肖飞, 姜敏, et al. Control of Inclusion Transformation in Steelmaking Process of Tyre Cord Steel[J]. Special Steel, 2012, 33(1): 41-45. DOI：

摘要

研究的帘线钢的冶炼流程为150 tLD-RH-LF-软吹氩-CC工艺。通过LD出钢时加入Si-Mn脱氧

并在LF加入低碱度顶渣进行钢渣反应控制钢中非金属夹杂物的塑性。结果表明

RH-LF-中间包和铸坯阶段

钢中主要夹杂物分别为MnO-Al

-Si0

(RH)

Ca0-Al

-Si0

(LF)和MnO-Al

-SiO

(中间包和铸坯)

采用Si-Mn脱氧和SiC扩散脱氧

低碱度低Al

顶渣精炼

控制T[O

]

≤20×10-6

[A1

]

s≤0.0013%

可有效控制钢中夹杂物数量和尺寸

以及控制夹杂物中Al

含量并形成可塑性夹杂。

Abstract

The studied steelmaking flow sheet for tyre cord steel is 150 t LD-RH-LF-soft argon blowing-CC process. The plasticity of non-metallic inclusions in steel is controlled by adding deoxidation reagent Si-Mn during LD tapping and adding low basicity top slag during LF refining to carry out steel-slag reaction. Results show that in RH

tundish-bloom procedure

the main inclusions in steel are respectively MnO-Al

-SiO

( RH)

CaO-Al

-SiO

(LF) and MnO-Al

- SiO

(tundish and bloom)

It is available to control the quantity and size of inclusions in steel and the Al

content in inclusions and to form plastic inclusions by using Si-Mn deoxidation and usi

ng SiC diffusion deoxidation

low basicity low A1

top slag refining

controlling T[ 0

]

≤20 x 10

-6

and [ Als

]

≤0.001 3% .

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