SeAH Aerospace & Defense (SeAH A&D) is a global manufacturer of high-strength aluminum extrusions and forgings for the aerospace and defense industry. Formerly known as Arconic Korea, SeAH A&D combines decades of technical expertise with advanced manufacturing capabilities to supply high-performance aluminum products.

Our products are used in a wide range of applications including commercial aircraft, military platforms, automotive systems, and other industrial applications that require lightweight and high-strength materials.

With aerospace certifications and NADCAP-accredited processes, SeAH A&D supports leading global customers such as Boeing, Airbus Defense, KAI, COMAC, Honeywell, and BorgWarner.

As a trusted supplier in the aerospace supply chain, SeAH A&D continues to expand its capabilities and global partnerships to deliver high-quality aluminum solutions for next-generation aerospace and defense systems.

SeAH Aerospace & Defense

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