Effect of Basicity of Tundish Covering Flux on Metallurgy Quality of Ferrite Stainless Steel

王伟; 张润平; 任国; 杨瑞军; 白晋钢

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Effect of Basicity of Tundish Covering Flux on Metallurgy Quality of Ferrite Stainless Steel

更新时间：2026-01-21

- Effect of Basicity of Tundish Covering Flux on Metallurgy Quality of Ferrite Stainless Steel
- Special Steel Vol. 34, Issue 3, Pages: 45-46(2013)
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- Received：26 December 2012，
  
  Online First：17 September 2022，
  
  Published：17 September 2013
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王伟, 张润平, 任国, et al. Effect of Basicity of Tundish Covering Flux on Metallurgy Quality of Ferrite Stainless Steel[J]. Special Steel, 2013, 34(3): 45-46.
DOI：

王伟, 张润平, 任国, et al. Effect of Basicity of Tundish Covering Flux on Metallurgy Quality of Ferrite Stainless Steel[J]. Special Steel, 2013, 34(3): 45-46. DOI：

摘要

针对出现的430、0Cr13R、409等铁素体不锈钢冷轧板夹杂缺陷

研究了中间包覆盖剂的碱度(1.10～5.98)对钢的洁净度的影响

分析了R=5.98高碱度中间包覆盖剂在浇铸过程中碱度、Al

和SiO

含量的变化。结果表明

在连铸过程中R=5.98高碱度中间包覆盖剂用原渣的R=5.98降至R=3.0

高碱度中间包覆盖剂具有良好的吸收钢中夹杂能力

对钢液的供氧能力弱

能够显著改善钢的洁净度。

Abstract

In accordance with inclusion defects occurred on cold rolled sheet of 430

0C113R

409 etc. ferrite stainless steels

the effect of basicity (1. 10 ~ 5. 98) of tundish covering flux on cleanliness of steel is studied

and the change of basicity

and SiO

content in tundish covering flux with basicity R = 5. 98 during casting process is analyzed. Results show that in casting process

the basicity R =5. 98 of high basicity tundish covering flux decreases from original flux R = 5. 98 to R =3. 0

the high basicity tundish covering flux has excellent ability to absorb the inclusions in steel and has low ability of transport oxygen to liquid steel

the high basicity flux can remarkably improve cleanliness of steel.

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