a. In the forming process, the steel plate is deformed uniformly, the residual stress is small, and the surface is free of scratches. The processed spiral steel pipe has greater flexibility in the range of diameters and wall thicknesses, especially in the production of high-grade thick-walled pipes, especially small- and medium-caliber thick-walled pipes, which have unparalleled advantages over other technologies and can satisfy users. More requirements on the specifications of spiral steel pipe.

b. The use of advanced double-sided submerged arc welding process can realize welding in the best position. It is not easy to have defects such as misalignment, welding deviation and incomplete penetration, and it is easy to control the welding quality.

c. Conduct 100% quality inspection on the steel pipe, so that the entire process of steel pipe production is under effective inspection and monitoring, which effectively ensures product quality.

d. The entire equipment of the entire production line has the function of networking with the computer data acquisition system, realizing the data transmission in real time, and the technical parameters in the production process from the central control room.