News

Congratulations on Messi winning the World Cup! Congratulations to all our South American customers!

Congratulations on Messi winning the World Cup! Congratulations to all our South American customers! After 36 years, Argentina won the championship again, and Messi finally got his wish. In the Qatar World Cup, Argentina won the championship by beating France 7-5 on penalties. Messi, 35, scored t... Read More

Yuantai Derun Steel Pipe Manufacturing Group – Square and Rectangular Pipe Project Case

The square tube of Yuantai Derun is widely used. It has participated in major engineering cases for many times. According to different use scenarios, its uses are as follows: 1. Square and rectangular steel pipes for structures, machinery manufacturing, steel construction and geological drilling,... Read More

How is the R angle of square tube specified in the national standard?

When we purchase and use square tube, the most important point to judge whether the product meets the standard is the value of R angle. How is the R angle of square tube specified in the national standard? I will arrange a table for your reference. Read More

What Is JCOE Pipe?

Straight seam double-sided submerged arc welded pipe is JCOE pipe. Straight seam steel pipe is classified into two types based on the manufacturing process: high frequency straight seam steel pipe and submerged arc welded straight seam steel pipe JCOE pipe. Submerged arc welded straight seam stee... Read More

Promote the early commencement of major projects

Towards the end of the year, the construction of major projects sounded the “bugle” of the year’s goal. Following the emphasis on “accelerating the construction of major projects” at the executive meeting of the State Council on November 22, the National Development ... Read More

Tianjin Yuantai Derun Group won the manufacturing industry single demonstration enterprise with its main product square tube!

Recently, the Ministry of Industry and Information Technology and the China Federation of Industrial Economics organized the cultivation and selection of the seventh batch of single champion manufacturing enterprises (products) and the review of the first and fourth batch of single champion manuf... Read More

Square tube industry tips

Square tube is a kind of hollow square section shape steel tube, also known as square tube, rectangular tube. Its specification is expressed in mm of outer diameter * wall thickness. It is made of hot rolled steel strip by cold rolling or cold drawing. Use of seamless square pipe: Seamless square... Read More

What are the main cutting methods for rectangular tubes?

The following five cutting methods of rectangular tubes are introduced: （1） Pipe cutting machine The pipe cutting machine has simple equipment, less investment, and is widely used. Some of them also have the function of chamfering and automatic loading and unloading and aggregate devices. Pipe ... Read More

Qatar World Cup venue pipe supplier – Tianjin Yuantai Derun Steel Pipe Manufacturing Group

In the middle of December 2021, Tianjin Yuantai Derun Steel Pipe Manufacturing Group received a project consultation, which was confirmed repeatedly as the famous Qatar World Cup venue project. Once the project arrived at Yuantai, Yuantai delegation was very happy with the overall situation, beca... Read More

What is the cause of square tube cracking?

  1. It is mainly the problem of base metal. 2. Seamless steel pipes are not annealed square pipes, which are hard and soft. It is not easy to deform due to extrusion and is impact resistant. High reliability of installation, no embrittlement under gas and sunlight. 3. Weather resistance and... Read More

What factors will affect the feeding accuracy of square tube?

During the production of square and rectangular tubes, the feeding accuracy directly affects the accuracy and quality of the formed products. Today we will introduce seven factors that affect the feeding accuracy of rectangular tube: （1） The center line of the feeding device and the center line... Read More

Yuantai Derun won the title of “Taxpayer Credit Class A Taxpayer” in China

On November 21, 2022, Tianjin Yuantai Derun Steel Pipe Manufacturing Group won the title of “Class A Taxpayer of Tax Credit”, “National Champion Enterprise” and “Gazelle Enterprise” in numerous national industry selection activities such as Credit China, becomi... Read More
<< < Previous 11121314151617 Next > >> Page 14 / 20