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Steelmaking technical capabilities allow to obtain forging ingots with weight from 1,6 to 170 tons and up to 200 tons of liquid metal for steel castings production. Steelmaking facilities consist of:
Metal smelting is performed atsteelmaking units within minimum time with subsequent treatment at Ladle furnace unit and vacuum treatment. Depending on preset chemical composition and required properties of the steel the casting process can be performed either in vacuum – from the top or in the air – from the bottom. |
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| SECONDARY REFINING UNIT "LADLE FURNACE" | ||||||||||
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Ladle furnace unitis equipped with casting ladles of two standard sizes: 60, 90 tons enabling to perform secondary refining of 88 tons of steel and to cast forging ingots with weight up to 170 tons. During secondary refining process the chemical composition is corrected, the metal is heated and treated with flux core wire by using wire feeder, and with argon blow, that reduces nonmetallic inclusions and gase content in metal.
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| STEEL DEGASSING UNIT | ||||||||||
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Metal treatment in vacuum vessels enables to realize vacuum casting of the ingots from 21 up to 170 tons in weight. Vacuum vessel No 4 is equipped with argon,oxygen, nitrogen feed system; wire feeders for steel inoculation with powdered materials; rolling cover with video control system; water-cooled oxygen lance; sampling device for steel chemical composition examinatio, gas content and metal temperature measurement in vacuum. This equipment enables to realize steel treatment according to VD and VOD patterns. By means of VOD technology the high-chromium steel is obtained with carbon content <0,03%. For steel vacuum treatment in the ladle (VD pattern) the unified gate ladles stock of the Ladle Furnace Unit is used (60, 90 t capacity).
Steel quality level is in conformity with high international standards. |
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MANUFACTURING SCHEME OF HIGH QUALITY STEEL PRODUCTION![]() |
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