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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 18b
SUMMARY:CMT „Continuous Minimill Technology“ for efficient production of long products
DESCRIPTION:Sustainability and lowest carbon footprint with high productivity are the current and future challenges in the steel industry for the production of long products.
The CMT® (Continuous Minimill Technology) process developed by SMS group is an inline endless casting and rolling process designed to reach these goals. A low emissions steelmaking facility supplies liquid steel to a high-speed casting machine directly feeding the rolling mill, eliminating the traditional fossil fuel fired re-heating furnace. 
The pairing of flat bath continuous scrap melting together with direct rolling of rebar or very compact coils concept drastically reduce up to 70% the overall direct emission on site of greenhouse gases, increasing the environmental sustainability of the CMT.
Liquid steel is produced and refined by an advanced steelmaking plant, based on Allcharge® design coupled with AURA® IGBT electronic power modules, ensuring the lowest environmental impact in terms of CO2 and NOx emissions and opens the door to connection to renewable power.
As the CMT concepts require high casting speed, special attention must be paid to mold and strand guiding design (SMS Concast CONREX technology), mold oscillation (SMS Concast CONDRIVE® electromechanical oscillation) and secondary cooling. 
The flexible CMT process can be designed for a wide range of products, from straight rebars to Vertical Compact Coils up to 8 tons (VCC). 
Integrated L1 and L2 automation systems, managing all production process aspects from the scrap yard logistics to the mill finishing area, as well as covering maintenance of the plant are also a key element to the efficient and cost effective production. 
This paper will highlight the main environmental advantages of this technology, as well as the various concepts for different range of production.

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