// Workers AI · dad joke modeWhy did SeAH Aerospace & Defense go to therapy? It had a lot of "missile" understanding issues.
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Native name | 세아항공방산소재 |
|---|---|
| Type | Private |
| Industry | Aluminum materials manufacturing (high-strength aluminum extrusion and forging products) |
| Founded | 1945 |
| Headquarters | SeAH Tower, 45, yanghwa-ro, Mapo-gu, , |
Key people | Sung Chang-mo (CEO)[1] |
| Revenue | KRW 128.7 billion (2024) |
| Parent | SeAH Besteel Holdings |
| Divisions | Changwon Plant Changnyeong Plant (Scheduled for 2027) |
| Website | https://www.seahaerospace.com/ |
SeAH Aerospace & Defense (Korean: 세아항공방산소재) is a South Korean manufacturer of aluminum alloy materials and products. The company produces aluminum extrusion and forging products used in aerospace, defense, and other industrial sectors.[2] It was designated as a defense industry contractor by the South Korean government in 1973 and has supplied aluminum alloy products for the country's defense industry.
History
[edit]- 1945: Founded as Siheung Industries[3]
- 1973: Designated as a defense industry business[4]
- 2020: Changed company name to SeAH Aerospace & Defense (joined SeAH Group)
- 2027 (Planned): Completion of Plant 2 in Changnyeong[5]
Products and Applications
[edit]SeAH Aerospace & Defense manufactures and supplies aluminum alloy materials and components for aerospace, defense, automotive, machinery, and electronics industries.[6]
- Aerospace: The company supplies aluminum extrusion products used in aircraft structures, including fuselages, bulkheads, wings, and interior and exterior components. It has supplied products to manufacturers in the global aerospace industry.
- Defense: It produces aluminum alloy materials and components for defense-related applications, including launch vehicles, weapon systems, and structural materials.
- Automotive: The company manufactures aluminum products used in automotive components, such as turbocharger parts and hydrogen storage tank components for commercial vehicles.
- Machinery, Electrical and Electronics: Its products are used in industrial equipment, semiconductor manufacturing machinery, and leisure-related products.
Production Facilities
[edit]Changwon Plant
[edit]The Changwon plant serves as the company's primary production facility for aluminum alloy extrusion and forging products.[7]
Changnyeong Plant
[edit]The company is constructing a new production facility in Changnyeong, with completion scheduled for the first half of 2027. The plant is planned to include aluminum extrusion and heat-treatment facilities for the production of aerospace-grade aluminum materials used in aircraft structures, including fuselages and wings. According to the company, the facility will also incorporate a rapid-quenching heat-treatment system designed to enhance the mechanical properties of aluminum alloys.[8]
Industry Position
[edit]SeAH Aerospace & Defense has obtained supplier certifications from aerospace and defense manufacturers, including Boeing, Airbus, Lockheed Martin, and Korea Aerospace Industries.[9] The company supplies aluminum alloy materials and products for commercial aerospace and defense applications. In addition, it entered into a long-term agreement (LTA) with Boeing for the supply of aerospace materials and components.[10]
References
[edit]- ↑ "[어바웃 C] '현장통' 성창모 세아항공방산소재 대표, 신사업 지휘 중역". n.news.naver.com (in Korean). Retrieved 2026-06-16.
- ↑ 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 2026-06-16.
- ↑ "[Company Watch] '유일 성장' 세아항공방산소재, 홀딩스 '주가 상승' 견인차". 더벨 (in Korean). Retrieved 2026-06-17.
- ↑ "DEFENSE | APPLICATION | SeAH Aerospace & Defense". SeAH (in Korean). Retrieved 2026-06-17.
- ↑ 기자, 정동욱 부산/경남 (2022-07-21). "경남도 3135억 투자협약…일자리 699개 창출". 일요신문 (in Korean). Retrieved 2026-06-16.
- ↑ "세아항공방산소재, 알루미늄 新공장 투자 나선다…"항공 소재 시장 공략 가속"". n.news.naver.com (in Korean). Retrieved 2026-06-23.
- ↑ 기자, 정동욱 부산/경남 (2022-07-21). "경남도 3135억 투자협약…일자리 699개 창출". 일요신문 (in Korean). Retrieved 2026-06-23.
- ↑ 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 2026-06-23.
- ↑ A&D), SeAH Aerospace & Defense (SeAH. "SeAH Aerospace & Defense Receives Boeing's Supplier Production Partner Award for Excellence in Aerospace Materials". www.prnewswire.com. Retrieved 2026-06-23.
- ↑ CHOSUNBIZ (2025-12-16). "SeAH Aerospace and Defense signs long-term pact to supply Boeing aircraft aluminum". CHOSUNBIZ. Retrieved 2026-06-23.
External links
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