Experiment of Deoxidation and Desulphurization for X120 Pipeline Steel Melting by Vacuum Induction Furnace

姚春发; 李太全; 王敏; 李光瀛

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Experiment of Deoxidation and Desulphurization for X120 Pipeline Steel Melting by Vacuum Induction Furnace

更新时间：2026-01-21

- Experiment of Deoxidation and Desulphurization for X120 Pipeline Steel Melting by Vacuum Induction Furnace
- Special Steel Vol. 29, Issue 4, Pages: 25-27(2008)
- 作者机构：
  
  1. 钢铁研究总院结构材料研究所,北京,100081
  2. 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：11 February 2008，
  
  Online First：23 December 2022，
  
  Published：23 December 2008
- 稿件说明：
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姚春发, 李太全, 王敏, et al. Experiment of Deoxidation and Desulphurization for X120 Pipeline Steel Melting by Vacuum Induction Furnace[J]. Special Steel, 2008, 29(4): 25-27.
DOI：

姚春发, 李太全, 王敏, et al. Experiment of Deoxidation and Desulphurization for X120 Pipeline Steel Melting by Vacuum Induction Furnace[J]. Special Steel, 2008, 29(4): 25-27. DOI：

摘要

在150 kg和50 kg氧化镁坩埚真空感应炉上进行X120管线钢(%:0.03～0.04C、1.98～2.05Mn、≤0.9(Cr+Mo+Nb+V+Ti)的脱氧和脱硫试验。结果表明

通过控制碳氧反应用碳脱氧和控制冶炼温度避免炉衬分解

可使钢中氧含量≤20×10

-6

在碳脱氧条件下

采用CaO-BaO-CaF

系精炼渣

可使钢中硫含量≤0.002%。通过扫描电镜观察发现

钢中存在来源于坩埚的≤5μmMgo夹杂。

Abstract

The test of deoxidation and desulphurization of X120 pipeline steel-0.03~0.04C

1.98～2.05Mn

≤ 0.9(Cr+Mo+Nb+V+Ti)has been caried out by 150 kg and 50 kg vacuum induction furnace with magnesium oxide crucible. Results showed that with controlling carbon-oxygen reaction using carbon for deoxidiza tion and controlling melting temperature to avoid furnace lining decomposition

the oxygen content in steel was ≤20×10

-6

and with CgO-BaO-CaF

fining slag the sulphur content in steel was≤0.002%.It was found by scanning electron microscope that there was ≤5 μm MgO inclusions in steel which originated from crucible.

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