Nine categories for welded pipes by manufacturing process(2)

We’ve talked about the five categories of welded pipe in last essay, which are manufactured in Threewaysteel pipe company. As ERW steel pipe production supplier, Threewaysteel would provide the following four categories too.

(EFW) Electric Fusion Welded Pipe: The EFW pipe division consists of a JCO forming press, helical / spiral mill, inside and outside welding system, heat treatment furnace and testing facilities.

(DSAW) Double Submerged Arc Welded: it is available in straight and spiral welded formats and used in a variety of applications.

(UOE) Uing and Oing forming pipe: the formed pipes are welded inside by five internal welding stations with three wires for each weld, and welded outside by four external welding stations with three wires for each weld.

(JCOE) J-ing, C-ing and O-ing: process with characteristics of high forming accuracy and efficiency as well as balanced distribution of forming stress.