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Secondary operation on molten steel; construction, inauguration of Ladle Furnace No. 7 at MSC


Ladle Furnace No. 7 of Mobarakeh Steel Company (MSC) has been inaugurated, says Mehrdad Abdolrahimzadeh, who oversees the implementation of iron-making and steelmaking projects at the steel giant.
He further said the furnace was constructed in the company thanks to divine assistance and tireless efforts by MSC staff members. The furnace – which is aimed at tapping into the capacity of the electric arc furnace and continuous casting, and reaching the production capacity of 7.2 million tons of liquid steel –became fully operational after successfully undergoing different tests, he added.
He said the company invested as much as 70 billion rials and €10.3 million in the implementation phase of this project, adding in completing the ladle furnace project, MSC took care of the following: construction and installation of 1,200 tons of metal equipment and structures, 7,500 inches of pipe welding, 42,500 meters of cabling, 4,800 cubic meters of soil excavation, 2,500 cubic meters of concreting, and production of 190 tons of re-bars.
For his part, Mohammad Hossein Khorrami, the manager of MSC’s steelmaking operations, said that in the steel slab production the ladle furnace handles the purification of liquid steel and preparations for metallurgical analysis of liquid steel based on grade requirements. “The addition of a seventh ladle furnace to the existing six furnaces designed for secondary operations in the steelmaking plant will optimize planning for liquid steel analysis and the transfer of molten steel to the casting unit. It will also make it possible to undertake secondary operations on an average 15 melting every day.”
The addition of one ladle furnace will also reduce waiting time for molten steel needed for carrying out secondary operations, the official said, adding the process in question will raise efficiency in the steelmaking unit, both qualitatively and quantitatively, and will be an important step for the company toward achieving its stated objectives.  
Ladle Furnace No. 7 is located in the center of the steel-making unit, Khorrami said, adding in light of the fact that the project had to be implemented without having to halt other production lines, the construction and installation processes of the furnace ran into some problems. “Thanks to praiseworthy cooperation between management and staff at MSC’s steelmaking plant, the project went off without incident, when it came to both human safety and equipment.”       


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