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, and 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 a good shape, accurate size, a wide range of pipe wall thickness and pipe diameter, a high degree of automation, and low production cost compared with a 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.

It is understood that the Nanhai District Sports Center project is located in the Nanhai Central Park area, Shishan Town, Nanhai District, Foshan City. The total construction area of the stadium is 22997 square meters, the building area is 9608 square meters, and the building area is 13983 square meters. Q355B steel structure materials are directly supplied by Hebei Huayang Steel Pipe Co., Ltd., mainly including "one stadium, two gymnasiums and supporting facilities (stadium, natatorium, comprehensive fitness gymnasium, wind, and rain corridor, lighthouse, etc.)", with a direct steel supply of about 1600 tons.

Cangzhou shenlong strives for survival with quality, opens the market with reputation, standardizes management, reduces the cost of products, provides users with error-free, competitive and qualified products, and sincerely provides services to customers.

Cangzhou Shenlong Pipe Manufacturing Co., Ltd. cooperates with Baosteel and Baogang to produce large-caliber seamless steel pipe, straight-seam welded pipe, spiral steel pipe, and pipe fittings. The products comply with API, ASTM, DIN, BS, and JIS standards, and can accept SGS, BV, and other inspections. The products are used in oil, natural gas, bridge, water conservancy, and other large-scale projects, which are worthy of trust.

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