KNOWLEDGE
How steel pipe is made and processed - ERW, LSAW, SSAW and seamless manufacturing, heat treatment, coating and finishing.
MANUFACTURING AND PROCESSING
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spiral submerged arc welded steel pipe is made by helically forming a steel plate into a tube and welding the spiral seam with a submerged arc
Precision steel pipe is a cold-drawn or hot-rolled product made to tight tolerances on inner and outer wall dimensions, with a clean surface and no ox
large-diameter welded pipe corrodes for three main reasons. Chemical corrosion attacks the surface, electrochemical corrosion is driven by