Youngstown Sheet and Tube
| Company type | Public |
|---|---|
| Industry | Steel |
| Founded | November 23, 1900 |
| Defunct | September 19, 1977 |
| Fate | Closure |
| Headquarters | Youngstown, Ohio, U.S. |
Key people | James Anson Campbell, George D. Wick |
| Products | Steel |
Number of employees | 27,000 (1950) |
The Youngstown Sheet and Tube Company was an American steel manufacturer based in Youngstown, Ohio. Founded in 1900, it was one of the largest steel manufacturers in the United States during the 20th century before going defunct in 1977.