Control of Carbon and Sulfur Content in Electroslag Remelting Pure Iron

赵昱臻; 任学平; 包卫平; 王新宇; 苗晓

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Control of Carbon and Sulfur Content in Electroslag Remelting Pure Iron

更新时间：2026-01-21

- Control of Carbon and Sulfur Content in Electroslag Remelting Pure Iron
- Special Steel Vol. 31, Issue 1, Pages: 43-45(2010)
- 作者机构：
  
  1. 北京科技大学材料科学与工程学院,北京,100083
  2. 太钢不锈钢股份有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 August 2009，
  
  Online First：27 October 2022，
  
  Published：27 October 2010
- 稿件说明：
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赵昱臻, 任学平, 包卫平, et al. Control of Carbon and Sulfur Content in Electroslag Remelting Pure Iron[J]. Special Steel, 2010, 31(1): 43-45.
DOI：

赵昱臻, 任学平, 包卫平, et al. Control of Carbon and Sulfur Content in Electroslag Remelting Pure Iron[J]. Special Steel, 2010, 31(1): 43-45. DOI：

摘要

分析了5t锭纯铁电渣重熔过程增碳和脱硫率低的原因。通过将～70%萤石、～30%氧化铝粉、3%～7%SiO

、0.05%～0.09%C的原渣系改成65%萤石、25%氧化铝粉、10%生石灰、≤1%SiO

、≤0.02%C的新渣系

采用1t电渣锭并将结晶器填充比由30%提高到45%、电渣重熔过程向渣中加铝粉等工艺措施

使电渣重熔纯铁的最大增C量由0.067%降至0.001%

平均脱硫率由41%～46%增至53.4%～78.0%

电渣锭碳、硫含量均≤0.003%

满足了超低碳-超低硫纯铁YT01B的质量要求。

Abstract

The main reasons of 5 t ingot carbon-pickup and low desulphurization ratio for pure iron during electroslag remelting (ESR) process are analyzed. With the process measures including to replace original remelting slag (% ) ~70 fluorite

~30 alumina powder

3 -7SiO

0. 05 ~0. 09C by new remelting slag (% ) 65 fluorite

25 alumina powder

10 limestone

≤SiO

≤0. 02C; adopting the process measures such as using 1 t ESR ingot with increasing mold packed ratio from 30% to 45%

and adding aluminum powder during electroslag remelting

the maximum carbon-pickup in ESR pure i- ron decreases to 0. 001% from original 0. 067%

the average desulphurization ratio increases to 53. 4% ~78% from original 41% ~46% and the carbon and sulfur content in ESR ingot are all ≤0. 003%

to meet the requirements of quality of ultra-low carbon-ultral-low sulfur prue iron YT01B.

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