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Small knowledge of identifying fake and inferior steel pipes

Small knowledge of identifying fake and inferior steel pipes

Keywords :Small knowledge of identifying fake and inferior steel pipes        Update : 2022-11-18        View(s) : 886

Fake and inferior steel pipes are prone to folding. Folds are various fold lines formed on the surface of the steel pipe, and this defect often runs through the longitudinal direction of the entire product. The reason for the folding is that the counterfeit and inferior manufacturers pursue high...

Spiral welded steel pipe and welded steel pipe which is better

Spiral welded steel pipe and welded steel pipe which is better

Keywords :Spiral welded steel pipe and welded steel pipe which is better        Update : 2022-11-17        View(s) : 1

1. The materials are the same and the uses are different, so there is no question of who is better. 2. Spiral welded steel pipe refers to a steel pipe with joints on the surface that is welded by bending and deforming a steel strip or steel plate into a circular, square, or another shape. A...

How to improve the quality of spiral steel pipe

How to improve the quality of spiral steel pipe

Keywords :How to improve the quality of spiral steel pipe        Update : 2022-11-16        View(s) : 754

Spiral steel pipe maintenance medium transportation is one of the important materials. Spiral steel pipe is the anti-corrosion of the outer wall of high-grade steel oil, gas, water, and heating pipelines, and the durability of the spiral steel pipe is improved. The durability of the spiral steel...

Precautions for welding stainless steel pipe fittings

Precautions for welding stainless steel pipe fittings

Keywords :Precautions for welding stainless steel pipe fittings        Update : 2022-11-15        View(s) : 910

1. To prevent erosion due to heating, the welding should not be too long, about 20% less than the carbon steel electrode, the arc should not be too long, the layers are cooled quickly, and a narrow weld bead is appropriate. 2. The hardening of stainless steel pipe fittings after welding is ...

How to judge the quality of spiral steel pipe

How to judge the quality of spiral steel pipe

Keywords :How to judge the quality of spiral steel pipe        Update : 2022-11-14        View(s) : 717

1. From the surface of the spiral steel pipe , see whether the production process of the spiral steel pipe is exquisite. It is generally necessary to study and analyze the spiral steel, and the section of the fake and inferior spiral steel pipe is oval. The reason is that the manufacturer saves r...

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