Seo's forgings are used in a wide variety of fields (nuclear/thermal power plants, a wide variety of heat exchangers, towers/tanks, oil refineries, petrochemical plants, etc.).

Special nozzle (Example) 2-1/4Cr-1Mo steel (F22)	Slant nozzle (Example) 2-1/4Cr-1Mo-V-Cb steel (F22V)	Special nozzle (Example) LF2
Lateral (Example) 1-1/4Cr-1/2Mo steel (F11)	One-block type T piece (Example) 2-1/4Cr-1Mo steel (F22)	Separate type T piece (Example) 9Cr-1Mo steel (F91)
Drain pot (Example) 1-1/4Cr-1/2Mo steel (F11)	Octagonal T piece (Example) 2-1/4Cr-1Mo steel (F22)	Valve body (Example) 9Cr-1Mo steel (F91)
Through piece (Example) A5083FH-O	Forged pipe (Example) 2-1/4Cr-1Mo-V-Cb steel (F22V)