[Asian Steel Watch] Vol.2 (2016.10)

[Asian Steel Watch] Vol.2 (2016.10)

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Special Report Global Competitiveness Through Hybridization of FINEX and CEM Processes

  • Writer민동준
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  • Under the current oversupply and strengthened environmental regulations, it is burdensome for steelmakers to consider new investment in the maxi-mill (combination of a traditional BF and hot-rolling mill). In the mini-mill process, there are some limitations in producing flat steel products due to harmful tramp elements in raw materials of scrap and high electricity costs.
  • The needs of diversification of raw materials and flexibility of process will accelerate the development of an alternative midi-mill ironmaking route by hybridization of individually optimized steelmaking technologies. The recent concept for hybridization is comprised of the FINEX and CEM technologies with particular attention on a sustainable midi-mill process with high flexibility. The hybridization of the FINEX and CEM processes can provide high versatility by combining the advantages of their technological characteristics.
  • Future process should adopt a process route that lies somewhere between the maxi-mill and mini-mills, that is, a midi-mill configuration with a production capacity over 2 MTPY and operational flexibility. FINEX has more flexibility in raw materials and operations than the blast furnace route and higher productivity than the EAF route. CEM can achieve high throughput and meet product
requirements by converting from batch rolling to endless rolling. The midi-mill process route of the FINEX and CEM combination can satisfy the needs to build a steel plant which is medium-scale, economically competitive, raw material and operational flexibility, and eco-friendly.
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