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 Nanticoke, Ontario 300,000 Blast furnace upgrade
2 U.S. Steel (Big River Steel) Osceola, Ark. 1.65M Doubling of capacity at existing EAF steet mill $1.2B
3 Ternium Pesquería, Mexico 4.4M New hot rolling mill $1.1B
4 Steel Dynamics Inc. (SDI) Sinton, Texas 3M Greenfield EAF sheet mill $1.9B
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
6 Nucor Ghent, Ky. 1.4 million Complete mill modernization. Added EAF, increasing mill's annual capacity from 1.6 million to 3 million short tons. June 2022 $650 million
7 Nucor Mason County, W.Va. 3 million New EAF sheet mill Ground broke October 2023. Construction expected to last two years. $3.1 billion
8 Nucor Brandenburg, Ky. 1.2 million Greenfield EAF plate mill. First plate rolled on Dec. 30, 2022. Dec. 2022 $1.7 billion
9 AM/NS Calvert Calvert, Ala. 3.3M Addition of one 1.65M-tpy EAF in H2'23. Second 1.65M-tpy EAF being studied. $775M
10 ArcelorMittal México Lázaro Cárdenas, Michoacán 2.75M New hot rolling mill $1B
11 U.S. Steel (Big River 2) Osceola, Ark. 3M New EAF sheet mill H2'24 $3B
12 Total 25M $14.8B
Company Location Capacity (short tons per year) Type or Project Completion Date Investment Source