Discussion and optimization of SS400-A/B low silicon steel production process

TAN Jian-ping,XU Guo-qing,SONG Yan-cheng,JI Xiu-mei,GUAN Yue-hui,LIU Ji-gang

Continuous Casting ›› 2015, Vol. 34 ›› Issue (6) : 30-33.

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Continuous Casting ›› 2015, Vol. 34 ›› Issue (6) : 30-33. DOI: 10.13228/j.boyuan.issn1005-4006.20150112
continuous casting technology

Discussion and optimization of SS400-A/B low silicon steel production process

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Abstract

The SS400-A/B low silicon steel is successfully developed by modifying the key factors in the steelmaking process, such as control C content of converter endpoint, increasing the mass of refining slag, deoxidation without increasing Si content, protective casting in the whole process, blowing argon into the stopper, etc. The practice results show that the molten steel has a good castability, the chemical composition can totally meet the requirements of the customers, and the inclusions are well controlled.

Key words

low silicon content steel,SS400-A/B, silicon pick-up,castability

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TAN Jian-Beng. Discussion and optimization of SS400-A/B low silicon steel production process[J]. Continuous Casting, 2015, 34(6): 30-33 https://doi.org/10.13228/j.boyuan.issn1005-4006.20150112

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