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Technological challenges in stainless steel production at Outokumpu Stainless Tornio

  • J. Spiess, H. Lempradi, G. Staudinger and P. Zipp

Abstract

Led by increasing stainless steel demands worldwide, Avesta Polarit Tornio, now Outokumpu Stainless Tornio, decided to extend its slab production capacity from 650,000 to 1.65 million tons per year of cast products. To supply 1.0 million tons of additional slabs, a complete new steel plant was successfully started up in September 2002. The process route includes a 140 MVA electric arc furnace, a 150 tons AOD, a twin ladle furnace and the world most advanced continuous casting machine. Technological highlights together with operational results are presented.

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Technological challenges in stainless steel production at Outokumpu Stainless Tornio

  • J. Spiess, H. Lempradi, G. Staudinger and P. Zipp

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