SSAW Steel Pipe

Spiral steel pipe, sawl steel pipe, spiral submerged arc pipe, spiral welded pipe

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Standard

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Chemical Analysis & Mechanical Properties

Tolerance of Outside Diameter and Wall Thickness

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Manufacturing Process

SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, automatic double-wire double submerged arc welding process made of spiral seam pipe. Spiral steel pipe will strip into the pipe unit, the multi-roll rolling, strip rolled up, forming a circular gap opening gap, adjust the squeeze roll reduction, the weld gap control in the 1 ~ 3mm, and make both ends of the weld flush.