Application prospect of straight seam welded pipe in steel structure

Many examples in nature show the excellent structural performance of circular tubes under compression, torsion and multi-directional bending. Inspire people to break through the traditional design concept of steel structure, and combine the circular pipe structure with the architectural appearance to form an attractive steel pipe structure.

Large space and large-span buildings, such as gymnasiums, exhibition halls, airport terminals, subway stations, large industrial plants, are constantly emerging. Traditional reinforced concrete structures, masonry structures, wood structures, etc., are difficult to achieve this kind of large-span space structure.

The longitudinal welded pipe adopts the double-sided submerged arc welding technology and is welded under static conditions. The weld quality is high, the weld is short, and the probability of defects is very small. Through full length diameter expansion, the steel pipe has good shape, accurate size, wide range of pipe wall thickness and pipe diameter, high degree of automation, and low production cost compared with seamless steel pipe.

It has a broad prospect in the bearing column of steel structures such as bridges, dikes, offshore platforms, super span building structures and pole tower mast structures.