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SMS Demag to Modernize G Steel Cast-Roll Plant
12/18/2007 - SMS Demag will add a conventional roughing mill that will operate in parallel to G Steel Public Co. Limited’s existing medium-slab casting-rolling plant.
G Steel Public Co. Limited, Thailand, has placed an order with SMS Demag to modernize its medium-slab casting-rolling plant in Rayong. Expansion of the single-strand casting-rolling plant by the addition of a conventional roughing mill operating in a parallel line represents a new modernization concept for this type of plant.
SMS Demag’s scope of supply comprises the roughing stand with edger and descaler, as well as a new coiler for the finishing mill and all related electrical and automation systems. SMS Demag will also renew the existing rolling line’s mechanical and automation equipment.
The rolling section of G Steel’s present casting-rolling facility comprises a roughing mill with non-reversing two-high and four-high stands, coilbox, and six-stand finishing mill, as well as a cooling section and recoiler. In parallel with the casting-rolling plant’s tunnel furnace, SMS Demag will now install a conventional roughing mill with reheat furnace, descaler, and four-high reversing roughing stand with edger, as well as a roller-hearth furnace with cross-transfer car. The transfer bar produced in this section of the plant will be fed into the existing process section via the cross-transfer car upstream of the casting-rolling plant’s roughing mill.
For improved strip quality, SMS Demag will modernize the finishing mill descaler and install roll-gap lubricating systems and more-efficient work-roll cooling systems in the stands. A new fully-hydraulic coiler will also be added.
As a result of the modernization, the plant’s total capacity will be doubled, and G Steel will be able to expand its present range of products and dimensions to include such new grades as higher-strength tube steels. The new equipment units is scheduled to go into operation at the end of 2009.
SMS group is, under the holding SMS GmbH, a group of companies internationally active in plant construction and mechanical engineering for the steel and nonferrous metals industry. It consists of the two Business Areas SMS Demag and SMS Meer, which jointly form SMS metallurgy. In 2006, some 9,000 employees worldwide generated a turnover of about EUR 2.8 billion.
