Mesabi Metallics plans a $15 billion steelmaking complex in Iowa that would produce 7.5 million tons annually in its first phase and ramp to 10 million tons — the largest plant of its kind in U.S. history, with output targeted for 2030.

The announcement, made by President Donald Trump in the Oval Office on Monday alongside Mesabi CEO Joe Broking and Chairman Rewant Ruia, anchors the project to iron ore pulled from Mesabi's Minnesota Iron Range mine, which is just entering production after roughly two decades of development.

What is the scope of the project?

Phase 1 capacity of 7.5 million tons per year translates into heavy bulk-freight demand on Midwestern rails. The White House said construction will support up to 6,000 jobs and at least 1,750 permanent positions once the facility reaches nameplate.

The plant will draw feedstock from Mesabi's mine on Minnesota's Iron Range, a more than $2.5 billion operation that began commercial production this year after years of delays. Mesabi is part of India's Essar Group. The original developer, Essar Steel Minnesota, filed for bankruptcy in 2016, throwing the mining project into limbo.

Mesabi told CNBC the plant will deliver "100% American steel: mined, melted and poured in Minnesota and Iowa."

How does the project fit Trump's tariff strategy?

The announcement lands on top of a 25% tariff Trump placed on steel and aluminum imports early in his second term, doubled to 50% shortly after. Trade groups representing steel producers told Trump in a Friday letter that his duties have driven $47 billion in "announced and underway investment" — a figure the Mesabi project would expand significantly.

Commerce Secretary Howard Lutnick framed the plan as a "done deal" from the Oval Office. White House spokeswoman Taylor Rogers added: "President Trump is delivering on his promise to rebuild American industry, reshore manufacturing, and create new jobs."

Critics counter that the tariffs have pushed U.S. steel prices to multi-year highs, raising input costs for downstream manufacturers, construction contractors, and freight-equipment builders that rely on domestic plate and coil.

What does this mean for shippers and carriers?

For bulk operators, the project signals sustained demand for Iron Range tonnage routed to a new Iowa steel mill, on top of existing Class I flows to Gary, Burns Harbor, and Cleveland-Cliffs' Ohio and Michigan assets. Inbound limestone, coal, and scrap flows will compound that lift.

Outbound, a 10-million-ton finished-steel base would add tens of thousands of annual truck, intermodal, and barge loads to Midwest lane networks — material for service centers, OEMs, and infrastructure contractors. Railroads with Iron Range and Iowa reach — BNSF, Union Pacific, and Canadian National's Wisconsin Central — stand to capture the heaviest lift.

What is the execution risk?

Mesabi's Minnesota mine was originally scheduled to finish construction by 2016 before bankruptcy intervened, illustrating how long-lead industrial projects can drift. Trump has previously championed projects that shrank dramatically: Foxconn's Wisconsin factory, originally announced at $10 billion and praised as "the eighth wonder of the world," scaled back to $672 million and 1,454 jobs by 2021.

The 2030 production target leaves a five-year runway during which steel demand, tariff policy, and capital markets can shift materially. Lutnick's "done deal" framing notwithstanding, final investment decisions, environmental permitting, and offtake contracts still sit ahead.

For shippers sizing domestic sourcing strategies, the Mesabi announcement extends a $47 billion pipeline of U.S. steel capacity that could compress imports further if even half the projects reach output — keeping downward pressure on inbound containerized steel through East and Gulf coast ports while adding bulk and breakbulk tonnage on Midwestern rails through the end of the decade.