LSAW STEEL PIPE (submerged arc welding steel pipe) which procued with steel plate with the “JCOE” processing.: The steel plate gets : J-C-O-E shapes during the pipes producing. The are two kinds of Longtudinal steel pieps: DSAW and LSAW steel pipes. For the DSAW steel pipe has a seam welded in the inside & outside of the pipes. Whereas for the LSAW steel pipes have a single weld seam weld on the outer of the pipes.
