How a failed nuclear conglomerate became the largest steel producer in the United States
In short: Nucor began as a struggling nuclear services firm that filed for bankruptcy in 1965. By pivoting to steel fabrication and pioneering electric arc furnace technology, it transformed into an industrial giant. Today, it stands as the largest steel recycler in North America, operating without any unionized labor in its mills.
The origins of Nucor are rooted in a 1955 proxy fight that forced the REO Motor Car Company to acquire a small nuclear services business. Renamed the Nuclear Corporation of America, the firm attempted to operate as a conglomerate from headquarters in New York and later Phoenix. This strategy proved unsuccessful, leading to bankruptcy in 1965. F. Kenneth Iverson, a metallurgist who had been managing the company's only profitable asset—a steel joist manufacturer called Vulcraft—assumed leadership and reorganized the entire organization around that single division.
Iverson shifted the company's focus toward vertical integration. In 1968, frustrated by the pricing and quality of available steel, he secured a $6 million loan to build a steel bar mill in Darlington, South Carolina. By utilizing electric arc furnaces and continuous casting instead of traditional blast furnaces, Nucor gained a significant cost advantage. In 1972, the company officially adopted the name Nucor Corporation and went public. Its innovation continued in 1989 with the opening of a facility in Crawfordsville, Indiana, which became the world's first mini-mill to produce flat-rolled steel using thin-slab technology.
The company's expansion has not been without controversy or environmental scrutiny. In 2000, Nucor reached a $98 million settlement with the Department of Justice and the EPA to resolve allegations regarding toxic emissions across seven states, marking the largest environmental settlement of its kind with a steel manufacturer at the time. More recently, in 2023, the company entered an agreement with ExxonMobil to implement carbon capture and storage at its direct reduced iron plant in Convent, Louisiana, addressing ongoing criticism regarding the facility's emissions. Despite these challenges, Nucor remains a dominant force in American infrastructure, producing approximately 18.5 million tons of steel in 2024.
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- Summary by Intellect · source: Nucor
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