Steel Knowledge

How to buy high-quality square tube?

The square tube is the main material in the building. The most important thing for us is the quality. Most construction companies need to purchase more square tubes at one time, so we must do a good job in the quality measurement, so that the selection of suitable profiles can be guaranteed, and ... Read More

Earthquake resistant buildings – enlightenment from Türkiye Syria earthquake

Earthquake resistant buildings – enlightenment from Türkiye Syria earthquake According to the latest news from many media, the earthquake in Türkiye has killed more than 7700 people in Turkey and Syria. High-rise buildings, hospitals, schools and roads in many places were seriously damaged.... Read More

Steel Tubing Is Green!

The use of steel tube is not only safer for people, but also safer for the environment.But why do we say that? Steel Is Highly Recyclable It is a little-known fact that steel is the most recyclable material on the earth. In 2014, 86% of steel was recycled, which exceeded the sum of paper, alumin... Read More

Ten most exquisite pavilions in the world

The pavilion is the smallest building that can be seen everywhere in our life; Whether it is the arbor in the park, the stone pavilion in the Buddhist temple, or the wooden pavilion in the garden, the pavilion is a strong and durable building representative of sheltering from wind and rain. So wh... Read More

10 architectural advantages of applying the green building concept

Green building, an environmentally friendly building concept, is still a trend until now. The concept tries to present a building that is integrated with nature from the planning to the operational phase. The goal is to make life better from now to the next generation. Read More

Low temperature seamless steel pipe that can work in extremely cold environment of – 45~- 195 ℃

Definition: low temperature steel pipe is medium carbon structural steel. The cold and hot and low temperature steel pipes have good performance, good mechanical properties, low price and wide sources, so they are widely used. Its biggest weakness is that the workpieces with low hardenability, la... Read More

Sharp corner square tube: how to distinguish large diameter from small diameter?

The diameters of sharp rectangular pipes are large and small. But how do we tell the difference? Read More

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

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

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

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
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