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How Many Types of Submerged Arc-welding Steel Pipe?
LSAW Steel Pipe
Longitudinal Submerged Arc-Welding Steel Pipe, abbreviated to LSAW Steel Pipe, also had an abbreviation of SAWL steel pipe.
For manufacturing the LSAW steel pipe, ADTOMall taking the steel plate as raw materials. Then molding the steel plate by the molding machine, welding the molded steel plate by the double-sided submerged arc welding technology. After the process above, the LSAW steel pipe will get excellent ductility, weld toughness, uniformity, plasticity, and great sealing.
The LSAW steel pipe has been widely applied in the oil and gas pipelines, which especially required large diameter and thick wall pipe with high strength and long-distance. At the same time, in construction structures that need tough strength, water treatment, thermal industry, bridge building, etc., the LSAW Steel Pipe is popularly used. According to API specifications, the LSAW steel pipe or SAWL steel pipe or JCOE steel pipe is specially designated in large-scaled oil and gas transportation, in the cases that pipeline across the city, sea, and the urban area.
SSAW Steel Pipe
Spiral Submerged Arc-Welding Pipe, abbreviated to SSAW Steel Pipe, also called HSAW pipe (Helical SAW) as its welding line shapes like a helix. SSAW steel pipe using the same welding technology of Submerged Arc-Welding as the LSAW steel pipe. The only difference is SSAW pipe is spiral welded while the LSAW is longitudinally welded.
For oil and gas pipeline systems, but in petroleum design specification, the SSAW steel pipe / HSAW steel pipe could only be applied in construction structure, water transport and sewage treatment, thermal industry, buildings, etc.