News

Wish the great motherland more prosperous and prosperous – Celebrating China National Day

Wish the great motherland more prosperous and prosperous – Celebrating China National Day Read More

Tianjin Yuantai Derun Group JCOE Φ 1420 large straight seam sewing machine was put into operation to fill the gap in Tianjin market

JCOE is a pipe making technology for the production of large diameter thick wall steel pipes. It mainly adopts the production process of double-sided submerged arc welding. The products go through multiple processes such as milling, pre bending, bending, seam closing, internal welding, external w... Read More

What are the methods for heat treatment of straight seam steel pipe?

What are the methods for heat treatment of straight seam steel pipe? First of all, the layout design of technical molds should be reasonable, the thickness should not be too different, and the shape should be symmetrical. For molds with large deformation, the deformation rules should be grasped, ... Read More

RMB, more and more “international style”

RMB becomes the fourth payment currency in the world, and the volume of cross-border settlement related to the real economy grows rapidly Read More

How to Select High Quality Square Tube?

Square tube is a kind of material commonly used in the industrial construction industry, with a large demand. There are many square tube products on the market, and the quality is uneven. Attention should be paid to the selection method when selecting: Read More

Notice! Notice! Tianjin Yuantai Derun Steel Pipe Manufacturing Group will participate in the 132nd Canton Fair from October 15 to October 24, 2022.

Notice! Notice! Tianjin Yuantai Derun Steel Pipe Manufacturing Group will participate in the 132nd Canton Fair from October 15 to October 24, 2022. It will meet buyers around the world in the form of online live broadcast, and warmly welcome everyone to participate in discussion and interaction i... Read More

How thick is the galvanized square tube to meet the design requirements of steel structure?

It is well known that the quality of galvanized square and rectangular tubes and the installation method directly affect the stability of steel structures. At present, the support materials on the market are mainly carbon steel. The raw materials of carbon steel are generally Q235 and Q345, which... Read More

Application of Galvanized Rectangular Pipe in Construction Engineering

As a common decoration construction material in our modern life, galvanized square tubes can be said to be widely used. Because the surface is galvanized, the anti-corrosion function can reach a better standard, and the anti-corrosion effect can be better played in the construction project, so th... Read More

Surface heat treatment of 16Mn square tube

In order to improve the surface hardness and wear resistance of 16Mn rectangular tubes, surface treatment, such as surface flame, high-frequency surface quenching, chemical heat treatment, etc. should be carried out for the rectangular tubes. Generally speaking, most of the high and medium freque... Read More

How is LSAW steel pipe made?

The longitudinal submerged arc welding pipe is produced by rolling the steel plate into a cylindrical shape and connecting the two ends together through linear welding. LSAW pipe diameters typically range from 16 inches to 80 inches (406 mm to 2032 mm). They have good resistance to high pressure ... Read More

How to remove the rust of 16Mn seamless square pipe during long-term storage?

At present, 16Mn seamless square pipe technology has been extremely mature, and there are corresponding product standards and various types of application technologies. Its application fields are also extremely wide. Due to the influence of weather and environment, the surface of 16Mn seamless sq... Read More

Do you know the production process of high frequency welded pipe?

The production process of high-frequency welded pipe mainly depends on the variety of products. A series of processes are required from raw materials to finished products. The completion of these processes requires various mechanical equipment and welding, electrical control and detection devices... Read More
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