What is a welded steel pipe?
A steel pipe made by rolling steel coils/plates into a desired shape and welding them together, leaving seams in the body of the pipe during the manufacturing process, which can be cut to any length.
Welded steel pipe refers to a steel pipe with seams on the surface that is formed by bending steel strips or steel plates into round, square and other shapes and then welding them. The blanks used for welded steel pipes are steel plates or strips.
Welding methods Arc welded pipes, high-frequency or low-frequency resistance welded pipes
Weld shape Straight welded pipes and spiral welded pipes
Straight welded pipes have simple production processes and high production efficiency
Electric welded steel pipes: used in oil drilling and machinery manufacturing, etc.
Furnace welded pipes: can be used as water-gas pipes, etc. Large-diameter straight welded pipes are used for high-pressure oil and gas transportation, etc.; spiral welded pipes are used for oil and gas transportation, pipe piles, bridge piers, etc.
Classification by weld shape
Can be divided into straight welded pipes and spiral welded pipes
Straight welded pipes
Simple production process, high production efficiency, low cost, and rapid development.
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