News

Oh my god! Tianjin yuantaiderun group was listed in the top 500 Chinese manufacturing enterprises in 2022!

On September 6, the China Enterprise Confederation and the China Entrepreneurs Association (hereinafter referred to as the China Enterprise Confederation) held a press conference in Beijing and released the list of the “top 500 Chinese manufacturing enterprises in 2022″. On the &... Read More

Connection method of q355b square pipe

In the prior art, a two-step method is used to connect q355b rectangular tubes. First, the square tube is pressed out of the joint, and then the joint of the two tubes is connected with a docking mechanism. This requires a lot of human resources and has low R & D and production power. The te... Read More

Fabrication technology of Q355D low temperature square tube

Domestic petroleum, chemical and other energy industries need a large number of low-temperature steel to design and produce various manufacturing and storage equipment such as liquefied petroleum gas, liquid ammonia, liquid oxygen and liquid nitrogen. According to China’s 12th Five Year Pla... Read More

Do you want to get the steel and pipe price list 2022?

Domestic welded steel pipe prices remain stable, and will be strong in the short term Read More

What are the precautions for purchasing steel pipe?

What are the precautions for purchasing steel pipe? In the steel pipe industry market under the premise of low, many steel pipe enterprises use the Internet, seize the opportunity of network marketing, to achieve the company against the trend of growth. But online shopping need to be careful, esp... Read More

China’s green and low-carbon energy transformation accelerated

The general electric power planning and Design Institute recently released China energy development report 2022 and China Power Development Report 2022 in Beijing. The report shows that China’s green and low-carbon transformation of energy is accelerating. In 2021, the energy production and... Read More

Why does the color of galvanized square pipe turn white?

The main component of the galvanized square pipe is zinc, which is easy to react with the oxygen in the air. What will the color of the galvanized square pipe turn white? Next, let’s explain it in detail. The galvanized products should be ventilated and dry. Zinc is amphoteric metal, which ... Read More

How to solve the corrosion problem of galvanized square pipe?

Most of the square pipes are steel pipes, and the hot-dip galvanized square pipes are coated with a layer of zinc on the surface of the steel pipes by a special process. Next, we will explain in detail how to solve the corrosion problem of the galvanized square pipes. Read More

How to remove oxide scale on large diameter square pipe?

After the square tube is heated, a layer of black oxide skin will appear, which will affect the appearance. Next, we will explain in detail how to remove the oxide skin on the large-diameter square tube. Read More

Do you know the factors that affect the outer diameter accuracy of thick walled rectangular tubes?

The outer diameter accuracy of thick walled square rectangular pipe is determined by human, and the result depends on the customer. It depends on the customer’s requirements for the outer diameter of seamless pipe, the operation and accuracy of steel pipe sizing equipment, and the steel pip... Read More

Do you want to make your products lighter and stronger than before?

By using thinner and stronger structural and cold forming steels like high-strength, advanced high-strength and ultra-high-strength steels, you can save on production costs thanks to easy bendability, cold-forming properties and surface treatment. Additional savings in welding work and filler mat... Read More

The situation of fund shortage in large caliber square tube market is likely to be further aggravated

The wait-and-see mood of the large-diameter square tube spot market has increased, while the enthusiasm of site procurement has not improved. The shipments of large-diameter square tube spot merchants are less than expected. Under the pressure of capital and shipment, the reduction of shipment th... Read More
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