The square and rectangular tubes sold by our company cover a full range of sizes: square tubes from 20*20 to 600*600, rectangular tubes from 20*30 to 600*800, with thicknesses ranging from 1.5mm to 35.0mm, and over 2,800 different specifications. The materials include Q195, Q215, Q235, Q275, Q345, 20#, 45#, stainless steel, seamless tubes, alloy steel, etc. We can also produce special-shaped tubes such as rhombic, triangular, pentagonal, hexagonal, and fan-shaped ones, and can customize square and rectangular tubes, right-angled square and rectangular tubes, thick-walled square and rectangular tubes, seamless square and rectangular tubes, hot-rolled square and rectangular tubes, and sharp-cornered square and rectangular tubes according to the drawings and dimensions provided by customers.

Our large-diameter and thick-walled square and rectangular tubes are widely used in large-scale steel structure projects, machinery manufacturing, shipbuilding, construction, metallurgy, automotive, railway, highway, aviation, container, furniture, decoration and other industries.