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Cold Rolling
Shougang Rolls First Coil on SMS Demag Pickle Line Tandem Cold Mill
Jan. 2, 2008 China Shougang Corp., Beijing, China, recently produced the first coil on its new pickling line/tandem cold mill (PL/TCM). The facility had been supplied and commissioned by SMS Demag AG.
SMS Demag’s supply scope included the tension leveler, ASC side trimmer with scrap chopper, turbulence-tank pickling process model, and the five-stand tandem cold mill in CVC plus®, six-high technology with ESS mode and AIO design, as well as a carrousel reel and all necessary ancillary equipment. The cold mill includes provision for the future installation of an edge-drop compensation system (EDC). SMS Demag also supplied a modern strip inspection line, tailor-made for the particular requirements of continuous quality assurance for automotive sheets.
Before pickling, the width of the strips produced on the PL/TCM is between 800 and 1900 mm, and the strip gage is between 1.6 and 6.0 mm. The annual production will be around 1.8 million t with strip widths up to 1870 mm and final strip gages between 0.2 and 2.5 mm. The maximum pickling rate is 230 meters/minute and the maximum rolling speed is 1400 meters/minute.
The new PL/TCM enables Shougang to produce the very latest steel grades, such as deep-drawing qualities for the automotive industry and multiphase steels, thus safeguarding its market position.
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.