Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping

宋生强; 薛正良; 王伟祥; 王恭亮; 刘瑞宁

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Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping

更新时间：2026-01-21

- Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping
- Special Steel Vol. 34, Issue 6, Pages: 36-38(2013)
- 作者机构：
  
  1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
  2. 石家庄钢铁有限责任公司,石家庄,050031
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：07 June 2013，
  
  Online First：07 September 2022，
  
  Published：07 September 2013
- 稿件说明：
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宋生强, 薛正良, 王伟祥, et al. Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping[J]. Special Steel, 2013, 34(6): 36-38.
DOI：

宋生强, 薛正良, 王伟祥, et al. Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping[J]. Special Steel, 2013, 34(6): 36-38. DOI：

摘要

中碳钒钢SG45(/%:0.42~0.50C、0.17~0.27Si、0.50~0.80Mn、≤0.035P、≤0.035S、0.06~0.10V)的生产流程为60 t LD-LF-VD-CC工艺。在转炉出钢过程将钢芯铝-合金(锰铁、硅锰等)-五氧化二钒自还原团块(/%:26.90V

粉

33.51硅铁粉

16.74石灰粉

22.85萤石粉)-预熔渣(/%:50~53CaO、41~46Al

、≤4SiO

、≤4MgO)加至钢包进行钒的直接合金化工业试验。3炉试验结果表明

钒的平均收得率为95.13%

钢材洁净度和冶金质量良好。

Abstract

The production flow sheet for medium-carbon vanadium steel SG45 (/% : 0. 42 ~0. 50C

0. 17 ~0. 27Si

0. 50 ~ 0. 80Mn

≤0. 035P

≤0. 035S

0. 06 ~ 0. 10V) is 60 t LD-LF-VD-CC process. The vanadium direct alloying commercial test is carried out during converter tapping by adding aluminium cladding with steel-alloys ( manganese iron powder

silicon-manganese etc) -vanadium pentoxide self-reducing briquette (/% : 26. 90V

powder

33. 51 silicon iron powder

16. 74 lime powder and 22. 85 fluorite powder) -premelted slag (/% : 50 ~53CaO

41 ~46Al

≤4SiO

≤ 4MgO) in ladle. 3 heats pilot production results show that the average yield of vanadium is 95. 13%

the cleanliness and metallurgy quality of steel products are better.

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