DSAW, ERW, SSAW, LSAW, EFW Steel Pipe
Date:2020-02-20 keywords: DSAW, ERW, SSAW, LSAW, EFW steel pipe
Welded pipe can be divided into ERW, SSAW, LSAW, EFW:
ERW: Electric resistance welding pipe
EFW: Electric fusion welding pipe
SSAW: Spiral submerged arc welding pipe
LSAW: Longitudinal submerged arc welding pipe
Among them, SSAW and LSAW are both called DSAW: Double side submerged arc welding pipe
