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How to cool after the quenching process of large-diameter steel pipe

How to cool after the quenching process of large-diameter steel pipe

Keywords :How to cool after the quenching process of large-diameter steel pipe        Update : 2022-04-14        View(s) : 814

1. What is the heat treatment process of large-diameter steel pipes ? (1) During the heat treatment process, the reason for the change in the geometry of the large-diameter steel pipe is the effect of heat treatment stress. Heat treatment stress is a relatively complex problem. It is not only...

Classification of welded steel pipes and the use and advantages of different welded steel pipes

Classification of welded steel pipes and the use and advantages of different welded steel pipes

Keywords :Classification of welded steel pipes and the use and advantages of different welded steel pipes        Update : 2022-04-13        View(s) : 855

Welded steel pipes can be classified into different types and types according to different classification methods. Welded steel pipes of different properties have different characteristics and characteristics in use and show different use values in use. Welded steel pipes can be classified i...

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) : 785

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) : 1000

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) : 793

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...

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