Siderar S.A.I.C., Argentina, has awarded SMS Demag, a company of the SMS group, Germany, a contract for the supply of a two-strand continuous slab caster for its San Nicolás (Buenos Aires) works. The caster will be rated for the production of 200 or 250mm thick slabs which are between 750 and 1,900mm wide. At a maximum casting speed of 1.8m/min the unit will produce 2.3 million t of slabs per year.
The caster will be equipped with Intelligent Slab Casting (ISC) facilities that ensure an optimal productivity and slab quality. This includes the hydraulically powered resonance oscillation unit and mold with remote-controlled narrow sides for changing the slab width during casting.
The horizontal part of the strand guiding system will include positioncontrolled CYBERLINK segments. Dynamic Soft Reduction combined with the metallurgical process model Dynamic Solidification Calculation (DSC) to control secondary cooling will thus make it possible to produce slabs that are free from segregations. SMS Demag's scope includes the engineering, supply of the mechanical core components and the X-Pact electrical equipment and automation system as well as commissioning according to the tried-and-tested ‘plug & work’ concept.
Commissioning of the facility is scheduled for early 2010. With this new facility Siderar will fully utilise the capacity of the upstream steelmaking plants and increase its production capacity for low and medium-carbon steels and peritectic grades. At its San Nicolás works Siderar operates a BOF steelmaking plant plus continuous caster that were supplied and modernised by SMS Demag.
With the Hylsa and IMSA (Mexico), Siderar (Argentina) and Sidor (Venezuela) works, Ternium S.A., which is owned by Techint, combines its activities for the production of long and flat products. X-Cast is a trade name from SMS Demag's Continuous Casting Division. It is characterised by plant, equipment and technologies that set the standard for the efficient production of high-quality slabs.

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