Effect of Ingredient of Refining Slag on Cleanliness of Tube Blank Steel SA-210C

阮小江; 张广军; 黄煌

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Effect of Ingredient of Refining Slag on Cleanliness of Tube Blank Steel SA-210C

更新时间：2026-01-21

- Effect of Ingredient of Refining Slag on Cleanliness of Tube Blank Steel SA-210C
- Special Steel Vol. 28, Issue 2, Pages: 51-53(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：02 September 2006，
  
  Online First：10 March 2023，
  
  Published：10 March 2007
- 稿件说明：
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阮小江, 张广军, 黄煌. Effect of Ingredient of Refining Slag on Cleanliness of Tube Blank Steel SA-210C[J]. Special Steel, 2007, 28(2): 51-53.
DOI：

阮小江, 张广军, 黄煌. Effect of Ingredient of Refining Slag on Cleanliness of Tube Blank Steel SA-210C[J]. Special Steel, 2007, 28(2): 51-53. DOI：

摘要

经熔渣粘度和表面张力影响因素的分析并通过正交试验得出优选的管坯钢SA-210C(％:0．18- 0．24C、0．80-1．10Mn)LF精炼渣组成(％):52CaO、18Al

、16SiO

、9MgO、5CaF

。该渣的粘度和表面张力分别为0．72 Pa·s和0．43 N／m。100 t LF使用优选精炼渣的94炉生产数据表明

精炼后钢液中的显微夹杂数量与大颗粒夹杂含量比优选前分别降低了22．6％和35．4％

洁净度合格炉数由原96．8％提高到98．1％。

Abstract

The optimum LF refining slag-52CaO

18Al

16SiO

9MgO

5CaF

for tube blank steel SA-210C (0. 18~0.24C

0.80～1. 10Mn) has obtained according to analysis on influence factors on fluxes viscosity and surface tension and by orthogonal test of which the viscosity and surface tension are 0.72 Pa · s and 0.43 N/m respectively. The 94 heats production data using optimum refining slag in a 100 t LF indicated that the micro inclusion amount and large inclusion content in molten steel after refining decreased by 22.6% and 35.4% respectively as compared that of using original refining slag

and the qualified heat rate for cleanliness increased to 98. 1% from original 96.8%.

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