STEEL GRIPS online - Medium-section mill for Gerdau Açominas, Brazil

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May 10, 2012

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Medium-section mill for Gerdau Açominas, Brazil

Nov 15, 2008

Gerdau Açominas has contracted Danieli Morgardshammar to supply a new medium-section mill to produce up to 650,000 t/a of beams and medium size profiles. The new plant will be based on the PSP-Profile Sizing Process, Danieli's innovation that achieves high efficiency, productivity and product quality in beam and medium section mills.

The rolling mill will be fed by a 180-t/a Danieli Centro Combustion walking beam reheating furnace, designed to heat blooms up to 280x200 mm, and 430x350x90-mm beam blanks.

The hot-rolling area will be composed of a break-down stand and the PSP intermediate and finishing sizing line in its "compact" version (PSPCo) which will include a four-stand UFR Ultra Flexible Reversing pre-finishing /finishing-sizing mill, made up of "U1"-"U2" universal and "E" edging reversing stands, plus the "UF" universal stand that will be used only for the single finishing sizing pass.

The mill's finishing end includes cooling bed, on-line Jumbo-size straightener, cutting-to-length, automatic stacking and collecting facilities. Its product range will include 6 to 12-in. wide flange beams, 5 to 6-in. standard beams, 5 to 8-in. channels, and correspondent angles and flats.

The mill is designed to produce beams up to 24-in. W-beams at later stage. All electricals and the advanced automation system will be supplied by Danieli Automation. Startup of the plant is scheduled for autumn 2010.

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