Knowledge

18May, 2024

The use and nature of hot -dip galvanized pipes
On the surface, there is a welding steel pipe with hot immersion or electroplating layer. Galvanizing can increase the corrosion resistance of steel pipes and extend the service li
17May, 2024

Analysis of the characteristics of galvanized steel welding
Galvanized steel is generally placed with zinc at low carbon steel, and the galvanized layer is generally 20um thick. The melting point of zinc is 419 ° C, and the boiling poin
17May, 2024

The connection method of galvanized round tube
The galvanized steel pipe used for life is connected to the thread, also known as the wire buckle connection. Generally, the nominal diameter does not exceed 100 mm, and the water
17May, 2024

Classification and characteristics of galvanized pipes
1. Overview of galvanized pipe In order to improve the corrosion resistance of the steel pipe, galvanized the general steel pipe. Galvanized pipes (galvanized steel pipes) are divi
17May, 2024

Common welding defects in spiral steel pipes
The defects that are prone to buried arc welding areas include pores, heat cracks, and bite edges. 1. Bubble. The bubbles mostly occur in the middle of the welding road. The main r
17May, 2024

Pay attention in the use of straight seam steel pipes
General welded pipes: General welded pipes are used to transport low -pressure flow. It is made of Q195A, Q215A and Q235A steel. It can also be made of other soft steel. The steel
16May, 2024

Introduction to the difference between ordinary steel pipes and spiral tubes
According to the welding method, it can be divided into arc welded pipes, high -frequency or low -frequency resistance welded pipes, gas welding pipes, furnace welding pipes, and B
16May, 2024

What should I do if the welding seam remains high in welded pipes?
Stress corrosion cracks are easily formed at the welding toe The stress concentration of the docking joints is mainly caused by the height of the weld. The welded joints of the con
16May, 2024

What factor will affect the quality of the spiral steel pipe
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
16May, 2024

The transportation and storage of anticorrosive steel pipes
Facing the storage of anticorrosive steel pipes, I believe that many people have doubts in this area. Let's take a look at the storage of anticorrosive steel pipes. 1. The entr
16May, 2024

Introduction to different welding steel pipes
The welded steel pipe is also called a welded pipe. It is a steel pipe made of steel plate or steel belt and welded after curling.Welding steel pipe production technology is simple
15May, 2024

Spiral surface treatment method and installation
Spiral tube surface treatment method: The reason why the spiral tube is called this name is because its appearance seems to have a spiral pattern. When production, it uses low -car

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