Adding Nitrogen Process for V-N Non-Quenched and Tempered Steel during 45 t LF (VD) Refining

吕学飞; 丛花越; 张宇; 王勇胜; 乔兵

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Adding Nitrogen Process for V-N Non-Quenched and Tempered Steel during 45 t LF (VD) Refining

更新时间：2026-01-21

- Adding Nitrogen Process for V-N Non-Quenched and Tempered Steel during 45 t LF (VD) Refining
- Special Steel Vol. 30, Issue 2, Pages: 46-47(2009)
- 作者机构：
  
  东北特殊钢集团1技术中心,2机电公司,大连,116031
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：29 September 2008，
  
  Online First：03 December 2022，
  
  Published：03 December 2009
- 稿件说明：
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吕学飞, 丛花越, 张宇, et al. Adding Nitrogen Process for V-N Non-Quenched and Tempered Steel during 45 t LF (VD) Refining[J]. Special Steel, 2009, 30(2): 46-47.
DOI：

吕学飞, 丛花越, 张宇, et al. Adding Nitrogen Process for V-N Non-Quenched and Tempered Steel during 45 t LF (VD) Refining[J]. Special Steel, 2009, 30(2): 46-47. DOI：

摘要

试验和分析了成分为(%):0.42C、0.62Si、1.42Mn、0.11V、0.015N钒氮非调质钢LF(VD)吹氮精炼时合金元素、LF和VD工艺参数对该钢增氮的影响。结果表明

前期加固氮合金元素V、Cr、Mn

快速提高LF精炼温度至1620～1630℃

增加精炼吹氮时间

可使平均增氮速率达2.83×10

-6

/min;VD处理进行氮气搅拌

控制VD处理时间

可提高氮的收得率。

Abstract

The effect of alloy elements

LF and VD process parameters on LF (VD) adding nitrogen in V-N nonquenched and tempered steel (% ：0.42C

0.62Si

1.42Mn

0.11V

0.015N) during refining with nitrogen blowing have been tested and analyzed. Results showed that with adding nitrogen fixed elements V

Cr and Mn at early refining phase

quickly raising liquid steel refining temperature to 1620 ~ 1630 ℃ and increasing refining nitrogen blowing time

the average adding nitrogen rate in liquid steel increased to 2.83 x 10

-6

/min； and with nitrogen stirring during VD treatment and controlling VD treated time

it was available to increase nitrogen yield.

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