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Journal of the Southern African Institute of Mining and Metallurgy
On-line version ISSN 2411-9717
Print version ISSN 2225-6253
Abstract
KESKINKILIC, E.. Liquid processing of silicon steels using the converter-ladle furnace-circulation degasser route. J. S. Afr. Inst. Min. Metall. [online]. 2019, vol.119, n.1, pp.49-53. ISSN 2411-9717. http://dx.doi.org/10.17159/2411-9717/2019/v119n1a6.
Electrical steels are used in motors, power generators, and transformers for electrical applications owing to their superior magnetic properties. These properties are attributed to the presence of a significant amount of silicon in the steel composition. Silicon steels are mainly grouped into two categories: grain-oriented (GO) and non-grain-oriented (NGO). The Si content of silicon steels is generally between about 0.50% and 6.5%. Therefore, silicon steels are further classified as low-, medium-, and high-Si steels. In this paper, liquid steel processing practices for certain silicon steel grades are outlined by considering a steelmaking company that integrates a basic oxygen furnace (BOF), a ladle furnace (LF), and an RH-type degassing unit (RH). Possible problems are identified, suggestions are discussed, and conclusions are drawn on the basis of real plant data.
Keywords : silicon steels; liquid steel processing; integrated iron and steelmaking.
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