SeAH Holdings () is a South Korean diversified holding company. Headquartered in Seoul, South Korea, it was split from SeAH Steel Corporation in 2001. Lee Tae-sung is its CEO.
The company's main business area is special steel. Its current investments include SeAH Besteel, SeAH CSS, SeAH Aerospace & Defense Materials, among others.
SeAH Besteel Holdings was established following a corporate restructuring of SeAH Besteel. On January 20, 2022, SeAH Besteel announced its plan to separate into a holding company and a manufacturing company. The restructuring was completed on April 1, 2022, with SeAH Besteel Holdings assuming the role of the groupâÂÂs holding and investment entity, while SeAH Besteel continued to operate as a steel manufacturing company.
SeAH Besteel manufactures special steel products used in the automotive, machinery, construction, shipbuilding, and offshore wind power industries. In 2021, the company entered the nuclear energy sector by supplying used nuclear fuel transport and storage casks to the United States market, marking the first export of such products by a South Korean company.
SeAH CSS specializes in the production of stainless steel and high-alloy steel products. The company operates an integrated steelmaking facility with an annual production capacity of approximately 1.2 million tons. Its product portfolio includes stainless steel bars, wire rods, and seamless pipes, which are supplied to industrial, aerospace, and defense sectors.
SeAH Aerospace & Defense Materials produces high-strength aluminum alloy materials. The company manufactures aluminum extrusion and forging products for the aerospace industry and supplies materials to the supply chains of aircraft manufacturers such as Boeing, Airbus, Lockheed Martin, and Korea Aerospace Industries (KAI). It also provides materials for defense-related applications.