Free cutting Q420B structural grade steel mechanical properties

The company is based on the principle of good faith, small profits and quick sales, and keeps forging ahead. In the fierce market competition, with Q420B structural grade steel good cooperation and sincere service spirit, we win the trust of our customers and develop rapidly. We will create a win-win situation with our customers and create a better future with the belief of pioneering, pursuing excellence and learning.

Q420B structural grade steel, Welded pipe plays an important role in modern industrial production and engineering construction, and has become one of the irreplaceable steel pipe products. Welded pipe is a kind of steel pipe made of rolled plate and steel plate after crimping and forming. Therefore, the diameter of welded pipe can be made very large and can be made according to the requirements of customers. Welded pipes can be used for water diversion, transportation of gas, air, oil and heating steam and other generally lower pressure fluids.

Our company has a strong, professional R & D team and advanced and perfect sales service concept, which makes our Q420B structural grade steel products have a high visibility and market share at home and abroad. At the same time, we will always bear the principle of "credit first, customer first", always put the interests of customers first, and wholeheartedly provide each of our customers with the best products and services.

It is a modern high-tech professional enterprise integrating scientific research, Q420B structural grade steel production and sales. The company is mainly engaged in the manufacture, installation and commissioning of boiler and pressure vessel, chemical, metallurgical, petroleum and other equipment, as well as Q420B structural grade steel process technology development, technology transfer and related technical consulting and technical services.