square tube

square tube is a hollow structural section with equal width and height, produced from high-quality steel. The squre tube is Formed by High-Frequency Welding of Strip Steel

It is commonly used in construction, manufacturing, and various industrial applications due to its strength, durability, and versatility. The square tube is available in various sizes and thicknesses, making it suitable for a wide range of projects, including building frameworks, support structures, and furniture. Its uniform shape allows for easy handling and the ability to stack or weld with other materials, making steel square tubes an essential choice for both structural and decorative applications.

We have special passivation treatment on the surface of the product, in passivation process, we have own invention patents-galvanized pipe passivation liquid automatic spraying system that ensures even adhesion, high passivation efficiency, beautiful apprearance .

When the steel pipe is cut, we also have to deal with the rough edges. Look at the end ,it is very smoothly and neatly. All product details can reflect our strict requirements for product quality.

Pre- galvanized steel pipe is more cheaper than the hot dip galvanized steel pipe and also have nice anti-rust. If you don't have a high requirement for steel pipes, then we suggest you to choose the pre galvanized steel pipe.