# U.S. Steel board approves nearly $3B hot strip mill at Mon Valley Works

U.S. Steel's Board of Directors approved nearly $3 billion in funding for a new hot strip mill at the Mon Valley Works – Edgar Thomson Plant near Pittsburgh. The investment will increase annual production capacity from 2.2 million to 3.5 million tons.

- Type: Investment
- Announced: 2026-10-22
- Where: Mon Valley Works – Edgar Thomson Plant, near Pittsburgh, United States
- Value: $3.00B
- Starts operating: Q4 2029
- Status: announced
- Capacity: 3.5 million tons per year
- Products: hot rolled steel
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [United States Steel Corporation](https://endata.com/companies/15282.md)

## Sources

- [ussteel.com](https://www.ussteel.com/media/newsroom-details/-/blogs/u-s-steel-board-authorizes-nearly-3-billion-investment-in-new-hot-strip-mill-at-mon-valley-works), 2026-10-22: "We are bringing world-class technology to the Mon Valley, creating new capabilities for our customers, and strengthening American steelmaking for the next generation."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.