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ArcelorMittal to Close Hamilton Wire Drawing Mill in Response to U.S. Tariffs

Centralizing production in Montreal eliminates 153 Hamilton jobs

Steel coils and a flag of Canada are seen in the factory at the ArcelorMittal Dofasco steel mill in Hamilton, Ontario, Canada March 12, 2025. REUTERS/Carlos Osorio/ File Photo
Stacked wire coils on the site of a steelworks of the company ArcelorMittal GmbH.
The Logo of the steel company ArcelorMittal is pictured in Saint Denis, outside Paris, France, Wednesday, Sept. 13, 2017. (AP Photo/Michel Euler)

Overview

  • ArcelorMittal announced on June 11 that the Hamilton wire drawing mill will shut down permanently in the coming weeks.
  • CEO Stéphane Brochu said the restructuring is essential to sustain the wire drawing business and improve efficiency.
  • Montreal will absorb all wire drawing operations, serving telecommunications, construction and automotive markets.
  • The company’s decision follows U.S. tariff hikes on steel and aluminum imports effective June 4, excluding Britain.
  • Canadian industry groups and a major union have warned that U.S. levies could lead to more job losses and that Canada is preparing retaliatory measures.