Tenova for POSCO Gwangyang plant


Tenova for POSCO Gwangyang plant

The company received an order from the South Korean steelmaker that is gradually converting from the BF-BOF route towards Electric Steelmaking based on EAF

Tenova will supply an Electric Arc Furnace (EAF) equipped with Consteel® and Electromagnetic Stirrer Consteerrer® to POSCO for its Gwangyang plant in South Korea. The South Korean steelmaker, the sixth largest worldwide with about 43Mt of steel produced in 2022, has a track record of pursuing the decarbonization of its high-quality steel products, which mostly include grades traditionally produced via the integral cycle only, such as interstitial-free grades for the automotive industries and the much-coveted electric steel grades required, for instance, by all providers of electrical mobility and green power generation solutions.

A key part of this transformation towards sustainability consists in the gradual conversion from the BF-BOF route towards Electric Steelmaking based on EAF. After a two-year process of co-engineering and competitive comparison, POSCO has selected Tenova’s equipment: a full-platform EAF capable of tapping 280t of liquid steel, equipped with the continuous scrap charging system Consteel® and the electromagnetic stirring system Consterrer® - jointly patented by Tenova and ABB.

The new EAF will be uniquely designed to match the needs of quality, productivity, and efficiency that such an experienced steelmaker demands, and will be equipped with a full set of robotic applications and enhanced safety solutions such as the Safe+ EAF water leakage detection system to dispel any concerns about EAF safety and user-friendliness some BOF users might still harbour.

Paolo Stagnoli
Paolo Stagnoli
Commercial Director Electric Arc & Ladle Furnace

Besides requiring a radical re-thinking of the production process, an EAF of this size and power is an entirely new machine for most integral steelmakers and may understandably scare away engineers who are accustomed to the relative quietness of most BOF Converters halls. As a member of Tenova, I find profoundly gratifying that such a top-class steelmaker recognized our unique experience in large EAFs and understood the value of our patented technology. We are committed to become a long-standing partner of POSCO as we build together a new environmentally friendly and record-breaking furnace.

The new EAF, whose product will be merged with the stream of liquid iron produced by the existing blast furnaces, will be installed in a dedicated new section of the Gwangyang plant and is scheduled to enter production by the end of 2025.

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