Effect analysis of the LF refining process for A36 and 45A

WU Wei; ZHAI Jun; ZHOU Yuan-hua; XIONG Yin-cheng; LI Bin; HU Bing

doi:10.13374/j.issn1001-053x.2009.s1.039

Volume 31 Issue S1

Aug. 2021

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WU Wei, ZHAI Jun, ZHOU Yuan-hua, XIONG Yin-cheng, LI Bin, HU Bing. Effect analysis of the LF refining process for A36 and 45A[J]. Chinese Journal of Engineering, 2009, 31(S1): 12-15. doi: 10.13374/j.issn1001-053x.2009.s1.039

Citation:

WU Wei, ZHAI Jun, ZHOU Yuan-hua, XIONG Yin-cheng, LI Bin, HU Bing. Effect analysis of the LF refining process for A36 and 45A[J]. Chinese Journal of Engineering, 2009, 31(S1): 12-15. doi: 10.13374/j.issn1001-053x.2009.s1.039

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Effect analysis of the LF refining process for A36 and 45A

doi: 10.13374/j.issn1001-053x.2009.s1.039

1. Metallurgical Technology Institute, Central Iron & Steel Institute, Beijing 100081, China;
2. Chong Qing Iron & Steel Co. Ltd., Congqing 400084, China

Received Date: 2009-08-20
Available Online: 2021-08-09

Abstract

Abstract

The effects of basicity (R) and the (FeO+MnO) content of the refining slag on the deoxidation of A36 and 45A steels were investigated during the refining process, and the influences of basicity (R) and the (FeO) content of the slag on desulfurization were also analyzed. The results show that the desulfurization efficiencies are increased to 61.3% and 64.3%, respectively. In addition, the changes of[P],[H], and[N] contents were studied. And the results show that the average removal rate of inclusions is 70.27%, and the maximum is 85.62%.
- A36 and 45A steel,
- LF refining process,
- deoxidation,
- inclusion