Seah Holdings

SeAH Holdings
Native name
세아홀딩스
Company typePublic
KRX 058650
IndustryDiversified Investments Conglomerate
HeadquartersSeAH Tower, 45, Yanghwa-ro, Mapo-gu, ,
Key people
Lee Tae-sung (President and CEO)
Revenue6,016,826,083,760 KRW (2024)
SubsidiariesSeAH Besteel Holdings
SeAH Besteel
SeAH CSS
SeAH Aerospace & Defense Materials
WebsiteSeAH Homepage

SeAH Holdings (Korean세아홀딩스) 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.[1]

The company's main business area is special steel. Its current investments include SeAH Besteel, SeAH CSS, SeAH Aerospace & Defense Materials, among others.[2]

Subsidiaries and Operations

SeAH Besteel Holdings

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 group’s holding and investment entity, while SeAH Besteel continued to operate as a steel manufacturing company.[3]

SeAH Besteel

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.[4]

SeAH CSS (Changwon Integrated Special Steel)

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.[5]

SeAH Aerospace & Defense Materials

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.[6][7]

Other investments

  • SeAH Special Steel
  • SeAH M&S
  • SeAH L&S
  • SeAH GSI (SeAH Gulf Special Steel Industries)[8]
  • SeAH Superalloy Technologies[9][10]
  • SeAH Global Thailand
  • Qingdao SeAH Precision Metal
  • Suzhou SeAH Precision Metal
  • Foshan SeAH Precision Metal
  • India SeAH Precision Metal
  • SeAH Precision Metal (Thailand)
  • SeAH Precision Metal Indonesia
  • SeAH Precision Mexico
  • SeAH Automotive (Nantong)
  • POS-SeAH Steel Wire (Nantong)
  • POS-SeAH Steel Wire (Tianjin)
  • POS-SeAH Steel Wire (Thailand)
  • Irongrey[11]

References

  1. ^ "Lee expands global influence in special steel business". The Korea Times. 2020-05-20. Retrieved 2020-09-07.
  2. ^ "Seah Holdings Corp". www.marketwatch.com. Retrieved 2020-09-07.
  3. ^ "SeAH Besteel to split into holding entity and unlisted special steel business unit - 매일경제 영문뉴스 펄스(Pulse)". Pulse (in Korean). Retrieved 2026-02-06.
  4. ^ "Orano and SeAH Besteel Complete First Production and Delivery of Dual-purpose Used Nuclear Fuel Dry Storage Casks for U.S. Utility". usa.orano. Retrieved 2026-02-06.
  5. ^ CHOSUNBIZ (2025-12-14). "SeAH Besteel Holdings shifts from steel to space and aerospace supplier". CHOSUNBIZ. Retrieved 2026-02-06.
  6. ^ Suk-yee, Jung (2025-10-28). "SeAH Besteel to Establish Aluminum Plant for Aircraft". Businesskorea (in Korean). Archived from the original on 2025-11-01. Retrieved 2026-02-06.
  7. ^ Lee, Yoonjae; Ha, Byeongmin; Hwangbo, Soonho (2021). "Generative Model-Based Hybrid Forecasting Model for Renewable Electricity Supply Using Long Short-Term Memory Networks: A Case Study of South Korea's Energy Transition Policy". SSRN Electronic Journal. doi:10.2139/ssrn.3986352. ISSN 1556-5068.
  8. ^ Global, KED. "Korea's SeAH joins hands with Saudi Aramco on special steel - KED Global". KED Global. Archived from the original on 2025-09-02. Retrieved 2026-02-06.
  9. ^ Global, KED. "SeAH to invest $155.3 mn to build special alloy plant in US - KED Global". KED Global. Archived from the original on 2025-07-23. Retrieved 2026-02-06.
  10. ^ CHOSUNBIZ (2025-12-22). "SeAH Besteel to complete US alloy plant and targets aerospace orders". CHOSUNBIZ. Retrieved 2026-02-06.
  11. ^ "SEAH GROUP". www.seah.co.kr. Retrieved 2020-09-07.