Effect of LF(VD)Refining Process on Control of Sulphur and Sulphide in Gear Steel 28MnCr5

李国忠; 王福明; 曹红福

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Effect of LF(VD)Refining Process on Control of Sulphur and Sulphide in Gear Steel 28MnCr5

更新时间：2026-01-21

- Effect of LF(VD)Refining Process on Control of Sulphur and Sulphide in Gear Steel 28MnCr5
- Special Steel Vol. 28, Issue 3, Pages: 53-55(2007)
- 作者机构：
  
  1. 北京科技大学冶金与生态工程学院,北京,100083
  2. 江阴兴澄特种钢铁有限公司，江阴,214429
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 December 2006，
  
  Online First：03 February 2023，
  
  Published：03 February 2007
- 稿件说明：
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李国忠, 王福明, 曹红福. Effect of LF(VD)Refining Process on Control of Sulphur and Sulphide in Gear Steel 28MnCr5[J]. Special Steel, 2007, 28(3): 53-55.
DOI：

李国忠, 王福明, 曹红福. Effect of LF(VD)Refining Process on Control of Sulphur and Sulphide in Gear Steel 28MnCr5[J]. Special Steel, 2007, 28(3): 53-55. DOI：

摘要

试验了45 t LF精炼渣的碱度、喂硫线和脱氧工艺对28MnCr5钢(％:0.25～0.30C、0.60～0.80Mn、0.020～0.035S、0.80～1.00Cr)硫含量的控制、氧化物含量和钢中硫化物的影响。结果表明

LF精炼渣碱度控制在2.8～5.1喂硫线

VD后硫的回收率达80％～90％;钢中氧化物级别≤1.5级;精炼结束喂适量CaSi线可改善钢中硫化物的形貌。

Abstract

The basicity of refining slag

feeding sulphur wire and deoxidation process for a 45 t LF on control of sulphur

oxide content and sulphide in steel 28MnCr5(0.25～0.30C

0.60～0.80Mn

0.020～0.035S

0.80～1.00Cr) have been tested. Results showed that as feeding sulphur wire with basicity of LF refining slag-2.8~5. 1

the yield of sulphur after VD was up to 80%～90% and oxide rating in steel≤1.5;and feeding suitable amount of CaSi wire was available to improve the morphology of sulphide in steel.

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