Small-diameter welded pipe - rainbow-steel.com However, compared with the straight seam pipe of the same length, the weld length increases by 30% to 100%, and the production speed is low. Therefore, most of the small-diameter welded pipes are straight seam welding and most of the large-diameter welded pipes are spiral welding.
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Due to the different welding forms, it is divided into straight seam welded pipe and spiral welded pipe. Because of its shape, it is divided into round welded pipes and special-shaped (square, flat, etc.) welded pipes. The small-diameter welded pipe has a simple production process, high production efficiency, low cost and rapid development. Related searches small diameter straight seam welded pipe
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Production Standard of High Frequency Straight Seam Welded small diameter straight seam welded pipe The high-frequency straight seam welded pipe is generally produced with a small diameter, and the outer diameter is generally less than 660mm or 26 inches. Its characteristics are: fast welding speed, for example, for steel pipes with an outer diameter of less than 1 inch, the maximum welding speed can reach 200 meters / minute.
But compared with the straight seam pipe of the same length, the weld length is increased by 30-100%, and the production speed is lower. Therefore, most of the smaller diameter welded pipes adopt straight seam welding, and the large diameter welded pipes mostly adopt spiral welding. Characteristics and Application of ERW Straight Seam Welded Pipe High-frequency welding is divided into contact welding and induction welding. DC welding is generally used for small diameter steel pipes. Therefore, in general, high frequency welded pipe is included in ERW welded pipe, which is a kind of ERW welded pipe produced by high frequency welding process. ERW straight seam welded pipe is a steel pipe small diameter straight seam welded pipe Small-diameter welded pipe Welded steel pipe is divided into straight seam welded pipe and spiral welded pipe according to the form of weld. The blanks used for small-diameter welded pipes are steel plates or strips, which are divided into furnace-welded pipes, electric-welded (resistance-welded) pipes, and automatic arc-welded pipes due to their different welding processes.
However, compared with the straight seam pipe of the same length, the weld length increases by 30% to 100%, and the production speed is low. Therefore, most of the small-diameter welded pipes are straight seam welding and most of the large-diameter welded pipes are spiral welding.
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