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Development and application of BRP technologyin Baosteel

Published online by Cambridge University Press:  06 February 2007

Xiao-fang Jiang ,
Zhao-ping Chen ,
Zhi-xin Lu ,
Geng Zhang  and
Zhi-min Zhong
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Abstract

The background of the development of the BRP technology(Baosteel BOF Refining Process) is presented along with the experimentalconditions and results. The relations between dephosphorizationand basicity of slag, bottom blowing, temperature at endpoint are analyzed. The effects on dephosphorization of bottom blowing,total iron of slag and silicon content in hot metal are also considered.The performance results indicate that, in the de-P converterand the de-C converter respectively, the dephosphorization efficiencyis over 84% and 64% with phosphorus contents below 0.014%and 0.005%. Steels that are difficult to elaborate, such as tire cordedor X 65 pipeline steel with HIC-resistance benefit from the BRP technologyin Baosteel.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 104 , Issue 1: Compte rendu des Journées Sidérurgiques Internationales 2006 de l'ATSCokerieHaut-fourneauAciérieLaminageUtilisation de l'acier , January 2007 , pp. 29 - 34
Copyright
© La Revue de Métallurgie, 2007

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