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The reason for the wrong side of the spiral steel pipe

The reason for the wrong side of the spiral steel pipe

Keywords :The reason for the wrong side of the spiral steel pipe        Update : 2022-03-02        View(s) : 789

In production practice, the steel pipe is often degraded by the wrong side and out of tolerance. Therefore, it is necessary to analyze the reasons for the misalignment of the spiral steel pipe and its preventive measures. The camber bend of the steel strip is the most important factor causing th...

Common Defects in Welding Area of ​​Spiral Seam Submerged Arc Welded Steel Pipe

Common Defects in Welding Area of ​​Spiral Seam Submerged Arc Welded Steel Pipe

Keywords :Common Defects in Welding Area of ​​Spiral Seam Submerged Arc Welded Steel Pipe        Update : 2022-03-01        View(s) : 1

All of us know the common defects of spiral welded pipes in the welding area. Here. We listed common 6 defects placed in the spiral welded pipe .  1. Bubbles. Bubbles mostly occur in the center of the weld bead. The main reason is that hydrogen is still hidden inside ...

Acceptance of straight seam steel pipe

Acceptance of straight seam steel pipe

Keywords :Acceptance of straight seam steel pipe        Update : 2022-02-28        View(s) : 837

1. The inspection and acceptance of straight seam steel pipes shall be carried out by the technical supervision department of the supplier. 2. The supplier ensures that the delivered straight seam steel pipe meets the requirements of the corresponding product standards. The purchaser has the...

What are the standards for the storage of anti-corrosion steel pipes

What are the standards for the storage of anti-corrosion steel pipes

Keywords :What are the standards for the storage of anti-corrosion steel pipes        Update : 2022-02-25        View(s) : 1021

1. The appearance of the storage and delivery of anti-corrosion steel pipes needs to be checked as follows: ①Check root by root to ensure that the surface of the polyethylene layer is flat and smooth, without dark bubbles, pits, wrinkles, and cracks, and the overall color needs to be more unif...

The difference between submerged arc welded spiral steel pipe and straight seam high frequency welde

The difference between submerged arc welded spiral steel pipe and straight seam high frequency welde

Keywords :The difference between submerged arc welded spiral steel pipe and straight seam high frequency welde        Update : 2022-02-24        View(s) : 894

Submerged arc welding spiral steel pipe uses continuous welding wire as electrode and filler metal. During operation, a layer of granular flux is covered on the welding area. The large-diameter spiral tube arc burns under the flux layer, melting the end of the welding wire and the local base metal...

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