These welded to the shape on shell, channel, head to flange and connected to Girth Seam.
These are big size mostly.
Outer Dia : Max. ϕ 9,000 mm
Thickness : Max. 3,000t
Weight. : Max. 60 ton
Outer Dia. : Max. ϕ 9,000 mm
Thickness. : Max. 3,000 t
Weight. : Max. 60 ton