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Straight seam steel pipe technology for analyzing stainless steel brushed railings

Straight seam steel pipe technology for analyzing stainless steel brushed railings

      1. The quality of the weld directly determines the quality of the welded pipe, and it is also the biggest difference between the welded pipe and the seamless pipe. After the high-frequency welding of the straight seam welded pipe, the carbon in the straight seam cannot be eliminated, and the weld seam and the mother body are only connected together, and are not completely melted into one, and cannot withstand the test of time and high pressure. After the high-frequency welding, the hot-tension reducing steel pipe is subjected to 800-degree high-temperature integral heating and integral annealing, and then subjected to open-change treatment. After this series of processes, the weld seam and the parent structure have the same performance and are completely melted into one. , a good transition from seam to seamless.

        

     2. The difference in the process has caused a difference in product quality. After the high-frequency welding of the heat-tension-reducing steel pipe, a process not performed by a straight-welded pipe is carried out ------ online removal of internal and external burrs. The presence of burrs affects the flow of fluid within the tube, and the burrs block the normal flow of the fluid, creating a vortex. According to the principle of fluid mechanics, the local compression of the weld is inevitably increased, and the uneven force is applied to reduce the insurance factor of the welded pipe. The thermal tension reduction steel pipe production process fully considers the danger of the burr and removes the burr. It has a uniform wall thickness and no difference in appearance from the seamless pipe. Therefore, from this point of view, the thermal tension reducing steel pipe has also completed the transition from seam to seamless.

        
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