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    SMU New Steel Mill Capacity

    New Steel Mill Capacity

    North American steel mills have recently completed or are underway with capacity additions totaling nearly 25 million tons per year of flat-rolled steel products. The cost: nearly $9 billion. That tally includes slab, sheet and plate. If you know of any new steel capacity coming online, please let us know. We will continue to update the chart. You can reach us at: info@SteelMarketUpdate.com.

    New Steel Mill Capacity

    wdt_ID Company Location Capacity (short tons per year) Type or Project Completion Date Investment Source
    1 Stelco - Lake Erie Works Nanticoke, Ontario 300,000 Blast furnace upgrade Oct. 2023 ??? Link
    2 Big River Steel (a U.S. Steel company) Osceola, Ark. 1.65M Doubling of capacity at existing EAF steet mill Nov. 2023 $1.2B Link
    3 Ternium Pesquería, Mexico 4.4M New hot rolling mill May 2023 $1.1B Link
    4 Steel Dynamics Inc. (SDI) Sinton, Texas 3M Greenfield EAF sheet mill Feb. 2023 $1.9B Link
    5 North Star BlueScope Delta, Ohio ~1M Expansion of existing EAF sheet mill: 3rd EAF and 2nd caster. First coil produced in June. Construction "substantially complete" as of August 2022. $700M Link
    6 Nucor (Gallatin) Ghent, Ky. 1.4M New EAF and LMF commissioned. Caster and second down coiler pending. June 2022 $650M Link
    7 Nucor Mason County, W.Va. 3M New EAF sheet mill Apr. 2023 $3.1B Link
    8 Nucor Brandenburg, Ky. 1.2M Greenfield EAF plate mill. First plate rolled on Dec. 30, 2022. Dec. 2022 $1.35B Link
    9 AM/NS Calvert Calvert, Ala. 3.3M Addition of one 1.65M-tpy EAF in 2H 2023. Second 1.65M-tpy EAF being studied. $775M Link
    10 ArcelorMittal México Lázaro Cárdenas, Michoacán 2.75M New hot rolling mill Dec. 2023 $1B Link
    11 U.S. Steel Osceola, Ark. 3M New EAF sheet mill Mid-2024 $3B Link
    12 Total 25M $14.8B
    Company Location Capacity (short tons per year) Type or Project Completion Date Investment Source