Study and Application on Nitrogen Alloying Control Model for Stainless Steel Refining by AOD Process

孙铭山; 邹勇; 范光伟

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Study and Application on Nitrogen Alloying Control Model for Stainless Steel Refining by AOD Process

更新时间：2026-01-21

- Study and Application on Nitrogen Alloying Control Model for Stainless Steel Refining by AOD Process
- Special Steel Vol. 29, Issue 6, Pages: 7-9(2008)
- 作者机构：
  
  太原钢铁(集团)有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 May 2008，
  
  Online First：05 December 2022，
  
  Published：05 December 2008
- 稿件说明：
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孙铭山, 邹勇, 范光伟. Study and Application on Nitrogen Alloying Control Model for Stainless Steel Refining by AOD Process[J]. Special Steel, 2008, 29(6): 7-9.
DOI：

孙铭山, 邹勇, 范光伟. Study and Application on Nitrogen Alloying Control Model for Stainless Steel Refining by AOD Process[J]. Special Steel, 2008, 29(6): 7-9. DOI：

摘要

根据氮在钢中的溶解热力学和脱除动力学理论

建立了AOD精炼氮合金化的控制模型。经45 t AOD装置精炼0Cr19Ni9N不锈钢(%:≤0.08C、18～20Cr、8～11Ni、0.10～0.16N)的应用结果表明

模型计算值与实测值吻合良好

可通过AOD氮气溶解和氩气脱除

精确控制不锈钢的N含量。

Abstract

Based on theory of solubility of nitrogen in steel and de-nitriding kinetics

the control model of nitrogen alloying during AOD refining has been established. The application results for refining stainless steel 0Crl9Ni9N (≤0. 08C

18 ~20Cr

8 ~ 11Ni

0. 10 ~0. 16N) by a 45 t AOD unit showed that it was available to accurately control N content in stainless steel by solubility of nitrogen and de-nitriding in AOD process and the data calculated by model nicely conformed to real measured data in production.

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