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Siemens to modernize long-product rolling mill for Korean special steel producer

Siemens VAI Metals Technologies has received an order from Posco Specialty Steel Co. Ltd., a Korean special steel producer, to modernize the long-product rolling mill in its Changwon Works.

The plant will be equipped with a new breakdown mill, and existing parts of the plant will be brought up to the state-of-the-art. Furthermore, new electrical and automation equipment will be installed throughput the entire production plant. The order is worth more than ten million euros, and the modernization is scheduled to be completed by the end of 2011.

The Changwon long-product rolling mill comprises a compact cassette (CCR) rolling mill, a flat block line – both of which Siemens installed in 2004 – and a blooming mill. Within the scope of the modernization project, Siemens is supplying a reversible, single stand breakdown mill with a roll diameter of 1200 millimeters, as well as the secondary plant equipment. This includes the entry and exit tables, handling devices between the mill passes, and material transfer facilities. Shears, saws and a roll exchange system complete the scope of supply.

The breakdown mill is designed to turn out 365,000 tons per annum, and can produce a wide range of long products. These include bar steels with diameters from 90 to 350 millimeters, slabs with cross-sections of 200 by 1250 millimeters, and flats ranging in thickness from 28 to 280 millimeters and in width from 750 to 1250 millimeters. Siemens will also be supplying cutting saws for the CCR mill and the flat block line. All parts of the plant will be equipped with new, standardized electrical and automation equipment. Siemens will also be responsible for supervising construction and commissioning, and will provide the customer training.

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation, building and lighting technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility und Osram. With around 207,000 employees worldwide (September 30), Siemens Industry achieved in fiscal year 2009 total sales of approximately €35 billion.

The Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities comprising the business activities of Siemens VAI Metals Technologies, Water Technologies and Industrial Technologies. Activities include engineering and installation, operation and service for the entire life cycle. A wide-ranging portfolio of environmental solutions helps industrial companies to use energy, water and equipment efficiently, reduce emissions and comply with environmental guidelines. With around 31,000 employees worldwide (September 30), Siemens Industry Solutions posted sales of €6.8 billion in fiscal year 2009.

Dr. Rainer Schulze | Siemens Industry
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