The difference is that the coil is wound at an angle, so the weld runs around the outside of the pipe in the shape of a helix, rather than in a straight line.
Straight seam steel pipe is actually a piece of iron plate, which is produced through multiple processes such as jointing, bending, welding, etc., and it is...
2013年8月13日 — 1) Superior Load Bearing —With 30% less weld per foot than spiral-weld, straight-seam ERW pipe piles are less likely to experience weld failure,...
2023年9月15日 — Straight seam steel pipes are mainly used in water supply engineering, petrochemical industry, chemical industry, electric power industry,...
Straight-weld pipes are created by bending and forming metal, which is then welded together down the length of the pipe to create a straight, longitudinal seam.
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