Knowledge

02Jun, 2024

Introduction to the quality detection method of spiral steel pipe
1. On the surface, judge, that is, inspection in appearance. The appearance inspection of the welding joint is a simple and widely used inspection method. It is an important conten
31May, 2024

Affect the quality factors of large -diameter spiral steel pipes
In recent years, with the continuous upgrading of large -caliber spiral steel pipes (SSAW) welding processes, its processing quality and process performance will be significantly i
31May, 2024

What welding defects are more common in spiral steel pipes
The defects that are prone to buried arc welding areas include pores, heat cracks, and bite edges. 1. Bubble. Bubbles mostly occur in the middle of the welding road. The main reaso
31May, 2024

Measures to improve the thickness accuracy of steel pipe wall
The control of the wall thickness of the steel pipe is a difficult point in the production of steel pipes. The measures that improve the thickness of wall thickness in production m
31May, 2024

What factors will cause uneven thin steel pipes
1. The cause of uneven steel pipes is the unevenness of the wall thickness caused by the adjustment of the pilot rolling center line, the inclination angle of the two rolling rolle
31May, 2024

What are the places to pay attention to using the spiral steel pipe
The installation and use of the spiral steel pipe has strict technical requirements. It should be carried out according to the actual situation, and it must also be guaranteed and
30May, 2024

Manufacturing process of straight seam steel pipes
Strailed steel pipes are a very common steel pipe in life. The application of this pipeline is very wide. I believe many people have heard of this pipeline.So do you know the produ
30May, 2024

The shortcomings that are prone to hot -rolled steel pipes
Splee Dead characteristics: Show irregular or regular local indentation and meat on the longitudinal surface of the steel pipe. The shapes are nuclear, strip, horizontal pressure i
30May, 2024

Common high -frequency straight seam steel pipes and buried arc welding strai...
The straight seam steel pipe is a steel pipe with the longitudinal parallel of the weld and the steel pipe. It is usually divided into public electric welding steel pipes, welding
30May, 2024

Introduction to the production process of pile straight seam steel pipes
Strailed steel pipes are a kind of welding steel pipe. Refers to the steel pipes of the vertical parallel of the weld and the steel pipe. After the hot -rolled steel roll meridian
30May, 2024

What should I pay attention to when purchasing a large -caliber steel pipe
Before purchasing large -caliber steel pipes, you should communicate in accordance with the pre -designed specifications, length, material, wall thickness, welding standards and we
29May, 2024

Production process of spiral steel pipes
Production Process (1) The raw materials are steel rolls, welded wires, and solder. Strict physical and chemical tests must be passed before the investment. (2) Bring steel head an

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