What is seamless rectangular tube

Seamless square tube is a long steel strip with a hollow cross-section and no seams around it. Manufacturing circular parts using steel pipes can improve material utilization, simplify manufacturing processes, save materials and processing time, such as rolling bearing rings, jack sleeves, etc. Currently, steel pipes are widely used for manufacturing. Steel pipes are also an indispensable material for various conventional weapons, and they are used to manufacture gun barrels and barrels. Steel pipes can be divided into circular pipes and irregular pipes according to their cross-sectional area and shape. Due to the fact that under the condition of equal circumference, the circular area is the largest, and circular pipes can transport more fluid. In addition, when the circular ring section is subjected to internal or external radial pressure, the force is relatively uniform, therefore, the vast majority of steel pipes are circular pipes. However, circular pipes also have certain limitations. For example, under the condition of plane bending, circular pipes are not as strong as square and rectangular pipes in terms of bending strength. Some agricultural machinery skeletons, steel and wood furniture, etc. are commonly used in square and rectangular pipes. According to the mechanical properties of different square tubes used