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Maintenance method of large diameter straight seam steel pipe

Maintenance method of large diameter straight seam steel pipe

Keywords :Maintenance method of large diameter straight seam steel pipe        Update : 2022-04-12        View(s) : 752

There is a significant difference between straight seam steel pipe and steel pipe. I believe many people think that the two are similar, the way of use and the performance they have, etc. Straight seam steel pipes are higher than steel pipes. The best types sold in the market are electric weld...

What is the process of sawing a spiral steel pipe

What is the process of sawing a spiral steel pipe

Keywords :What is the process of sawing a spiral steel pipe        Update : 2022-04-11        View(s) : 957

After a series of treatments such as forming, welding and cooling, the spiral steel pipe still needs to be sawed. In this link, the length of the technical spare ruler directly affects the quality and sales of the finished welded pipe, so the length of the spare ruler should be controlled within...

Surface defects of seamless steel pipes and their causes

Surface defects of seamless steel pipes and their causes

Keywords :Surface defects of seamless steel pipes and their causes        Update : 2022-04-08        View(s) : 757

The causes of surface defects of seamless steel pipes are intricate and complicated. There are hundreds of influencing factors listed. Sometimes there are dozens of factors for the same defect, and the generation of defects has a great relationship with the steel type. This is why the production...

Quality inspection method of spiral steel pipe

Quality inspection method of spiral steel pipe

Keywords :Quality inspection method of spiral steel pipe        Update : 2022-04-07        View(s) : 921

1 Judging from the surface, that is, in visual inspection. Visual inspection of welded joints is a simple procedure with a wide variety of inspection methods and is an important part of finished product inspection, mainly to find welding surface defects and dimensional deviations. Tests are generall...

Identification method and technological process of fake and inferior steel pipes

Identification method and technological process of fake and inferior steel pipes

Keywords :Identification method and technological process of fake and inferior steel pipes        Update : 2022-04-06        View(s) : 776

1. Fake and inferior thick-walled steel pipes are prone to folding. Folds are various fold lines formed on the surface of thick-walled steel pipes , and this defect often runs through the longitudinal direction of the entire product. The reason for the folds is that the counterfeit and inferior...

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