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Cause Analysis of Straight Seam Steel Pipe Wrong Side

Views: 5     Author: Site Editor     Publish Time: 2023-06-02      Origin: Site

Straight seam steel pipe production, the wrong side have occurred, many influencing factors. In practice, often by a dry wrong side super differential leaving the steel pipe downgrade. Cause analysis thus produces the wrong side of straight pipe joints and prevention measures are necessary.


1, Strip steel camber is caused by the wrong side of the most important factors. In forming the spiral welded pipe, steel strip camber angle will constantly change shape, leading to changes in the weld gap, resulting in open seam, wrong side or even take sides. Seriously affecting the quality of the steel, so the observation strip coil-camber situations after, by controlling the vertical rolls so that the disc can be cut and removal of part of camber angle forming the continuous control and corrective camber of the strip is the reduction in the production process effective way of generating the wrong side.

2, Due to poor not trimming the strip head and tail shape and size precision, easy to cause docking strip hard bend caused by the wrong side.

3, Strip head and tail butt welding weld reinforcement is large, when the over-molding, if not handled properly, likely to cause greater wrong side.


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