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Comparison between straight seam steel pipe and spiral steel pipe

1. Production process comparison The production process of straight seam steel pipe is relatively simple. The main production processes are high-frequency welded straight seam steel pipe and submerged arc welded straight seam steel pipe. Straight seam steel pipe has high production efficienc... Read More

Happy New Year – China’s steel hollow section brand leader

Mountains and rivers can block the sight, but cannot separate the deep yearning: the longitude and latitude lines can open the distance, but cannot block the sincere emotion; Years can go by, but they can’t stop pulling the thread of friendship. Happy New Year’s Day, greetings ahead o... Read More

Three core advantages-Tianjin Yuantai Derun Steel Pipe Manufacturing Group

Tianjin Yuantai Derun Steel Pipe Manufacturing Group aims to be a century old brand and set a quality benchmark, in order to provide excellent products and services to steel pipe customers around the world. At present, we have three major advantages. I will introduce them to you today. 01 Strong ... Read More

Accelerate digital transformation and upgrading, and drive the coordinated development of enterprises in the same industry

Tianjin Yuantai Derun Steel Pipe Manufacturing Group, together with Haier Digital and other smart manufacturing benchmarking enterprises, carried out intelligent upgrading consulting and diagnostic services for industrial enterprises; Cooperate with Metallurgical Industry Planning and Research In... Read More

The difference between square tube and square steel

Author: Tianjin Yuantai Derun Steel Pipe Manufacturing Group Read More

Rapid detection equipment and detection method in the production process of multi size thick wall rectangular tube

Application (patent) No.: CN202210257549.3 Application date: March 16, 2022 Publication/Announcement No.: CN114441352A Publication/announcement date: May 6, 2022 Applicant (patent right): Tianjin Bosi Testing Co., Ltd Inventors: Huang Yalian, Yuan Lingjun, Wang Deli, Yang Xueqiang Abstract: The i... Read More

What are the certification standards of Yuantai Derun Steel Pipe Manufacturing Group?

Quality certification, to some extent, indicates whether the product quality is up to the standard. At present, many steel plants and enterprises are beginning to realize the benefits of quality certification for enterprises. Well, steel mills What benefits can the quality certification of the in... Read More

Merry Christmas to all of you!

Merry Christmas to all of you!                                                                                                                                  Thank customers all over the world for their support and trust in Yuantai DeRun steel Pipe Manufacturing Group. The year 2022 is co... Read More

Identification of fake and inferior rectangular tubes

The square tube market is a mixture of good and bad, and the quality of square tube products is also very different. In order to let customers pay attention to the difference, today we summarize the following methods to identify the quality of square tube products. 1. False and inferior rectangul... Read More

The market output of rectangular tube in China is 12.2615 million tons

Square pipe is a kind of name for square pipe and rectangular pipe, that is, steel pipes with equal and unequal side lengths. It is rolled from strip steel after process treatment. Generally, strip steel is unpacked, leveled, curled, welded to form a round pipe, rolled into a square pipe, and the... Read More

What is the difference between hot rolling and cold rolling?

The difference between hot rolling and cold rolling is mainly the temperature of rolling process. “Cold” means normal temperature, and “hot” means high temperature. From the viewpoint of metallurgy, the boundary between cold rolling and hot rolling should be distinguished ... Read More

Several Section Forms of High rise Steel Structure Members

1、 Axially stressed member The axial force bearing member mainly refers to the member bearing axial tension or axial pressure, which is the simplest one among the members. Read More
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