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Siemens to Supply Reversing Rolling Mill to Chinalco’s Harbin Location

09/30/2009 - Chalco North East Light Alloy has ordered a single-pass reversing finishing mill with twin coiler from Siemens VAI Metals Technologies. The mill is part of a hot and cold mill expansion to be erected in Harbin, China.

Chalco North East Light Alloy Co. Ltd (Chalco NELA), a subsidiary of the Aluminium Corp. of China (Chinalco), has ordered a single-pass reversing finishing mill with twin coiler from Siemens VAI Metals Technologies. The mill is part of a hot and cold mill expansion to be erected in Harbin.
 
The order is worth some €13 million and includes key electrical and mechanical components together with the automation and process technology. The new rolling mill is scheduled to start production in August 2011. Siemens notes that the project will further strengthen its market position in aluminum rolling mills in China.
 
Chalco NELA, based in Harbin in the northern Chinese province of Heilongjiang, produces plate and sheet, strip, foil, tube, and pipe from aluminum, magnesium, and aluminum-magnesium alloys. The company's products are used mainly in aviation, transport, and communication as well as the electronics and lighting industry.
 
The new reversing mill will increase Chalco NELA's annual production capacity by 210,000 tonnes of strip and allow production of end products of increased hardness and reduced thickness at enhanced quality levels. The plant has been designed for rolling strip with a width of up to 2100 millimeters at a speed of up to 363 meters per minute.
 
The finishing mill comprises a 4-high stand with automatic hydraulic gauge control as well as positive and negative work roll bending. Siroll ISV Sprays are used for spray cooling. Siemens will be supplying the entire automation system and the drive technology for the rolling mill, including Sinamics SM150 medium-voltage converters and Sinamics S120 low-voltage converters, as well as thickness and profile measurement systems and the sensor technology. The automation system embraces the basic automation, including the technological controllers and the operating and monitoring equipment.
 
The scope of supply also includes the process automation equipment for the entire hot strip mill, which comprises a reversing roughing mill to be supplied by a local vendor. All the systems and components belong to the “Siroll Alu” integrated solution platform from Siemens for aluminum rolling mills.
 
Siemens will be responsible for commissioning the plant and training the customer's personnel. 
 
The Siemens Industry Sector, Erlangen, Germany, is a leading international supplier of production, transportation, building and lighting technologies. The Sector comprises six Divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 222,000 employees worldwide Siemens Industry posted in fiscal year 2008 a profit of EUR3.86 billion with revenues totaling EUR38 billion.
 
With the business activities of Siemens VAI Metals Technologies (Linz, Austria), Siemens Water Technologies (Warrendale, Pa.), and Industrial Technologies (Erlangen, Germany), the Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities. Using its own products, systems, and process technologies, Industry Solutions develops and builds plants for end customers, commissions them, and provides support during their entire life cycle. With around 31,000 employees worldwide, Siemens Industry Solutions achieved an order intake of EUR 8.415 billon in fiscal year 2008.