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Siemens technology for production of stainless steels: Viraj orders AOD converter

Published: - 22/12/2011 Author: Dell'Oro, Management
Siemens technology for production of stainless steels: Viraj orders AOD converterSiemens technology for production of stainless steels: Viraj Profiles Limited, Tarapur, Maharashtra, India orders AOD converter.

Siemens VAI Metals Technologies won an order from the stainless steel producer Viraj Profiles Ltd. to supply an AOD (argon-oxygen decarburization) converter for its plant located in Tarapur, Maharashtra, India. The new converter will enable the company to expand the stainless steel output required for its rolling mills. The project is scheduled to be completed by mid-2011.

Viraj Profiles Ltd. is India's largest producer of stainless steel long products. The company is currently implementing a large-scale program to expand its production capacities. As part of this program Siemens VAI already received an order to supply a rolling mill for stainless steel bar and light sections (180,000 metric tons per annum). The new AOD converter will have a capacity of 245,000 tons of liquid steel per year, which will enable Viraj Profiles Ltd. to substantially increase both the volume and efficiency of stainless steel billet and bloom production in Tarapur. It will then be able to supply most of the new and existing rolling mills with billets from its own production. Siemens VAI will be responsible for the engineering of the AOD converter, which will have a tapping weight of 55 ton. It will also supply core components, including the trunnion ring, tilting drive, valve station, rotating inlet, injection nozzles, top lance and a combined lance and extraction hood carriage. The special features of the plant include the suspension system, a traversing extraction hood and top lance, as well as individual nozzle control. The order also includes the Level-2 automation system for the converter tilt drive, the blowing lance and the bottom blowing system. Siemens VAI will also supply the process automation, including the Simetal AOD optimization system and the steel expert process models.
Siemens Ltd. India will handle some of the local manufacturing for the project. This includes supplying the trunnion ring and parts of the basic automation system for the AOD converter as well as supervising installation and commissioning.
Further information about solutions for steel works, rolling mills and processing lines can be found at:

Further information about Viraj can be found at or please contact Mr. Sandip Shrotri, Head - Corporate Communication, on +91 904 999 1299 or at

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 and Osram. With around 204,000 employees worldwide (September 30), Siemens Industry achieved in fiscal year 2010 total sales of approximately €34.9 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 29,000 employees worldwide (September 30), Siemens Industry Solutions posted sales of €6.0 billion in fiscal year 2010.