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Getting more steel from less hot metal at Ternium Siderar steel plant

  • R. Ares, W. Balante, R. Donayo, A. Gómez and J. Pérez...

Abstract

The Ternium Siderar steel plant in San Nicolas, Argentina, experienced a period of single blast furnace operation in 2006, first due to one furnace’s unavailability, and later due to the other’s relining. In order to exploit the excess steelmaking capacity, processes were adjusted to reduce the amount of hot metal needed for the production of a ton of steel. The principal changes in the process are described in this paper: an increase in the manganese content of hot metal to avoid manganese addition in the converter; heating of scrap; coke additions; increase in pig iron; use of large quantities of SiC or FeSi during the blow; temperature decrease at the end of the blow. All of this permitted an increase in slab production compared with the standard process.

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Article presented at the AISTech 2007 conference, 7–10 May 2007 Indianapolis, IN, USA and published with the kind authorization of the AIST.

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Getting more steel from less hot metal at Ternium Siderar steel plant

  • R. Ares, W. Balante, R. Donayo, A. Gómez and J. Pérez...

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