The role of straight-seam pipes in various fields


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Longitudinal seam pipe is a new type of steel pipe formed by welding along a longitudinal seam parallel to the pipe’s axis. It is typically categorized into electric‑welded thin‑walled pipes, metric electric‑welded steel pipes, transformer cooling oil pipes, and other varieties. The manufacturing process for longitudinal seam pipes is simple and easy to operate, resulting in low production costs and rapid development. In recent years, the production technology has steadily matured; with advances in science and technology, the efficiency, quality, and performance of these pipes have improved significantly, while production costs have also been reduced considerably.

  Since the 1930s, with the rapid development of continuous strip‑rolling production and advances in welding and inspection technologies, weld quality has steadily improved, the range of welded steel pipe grades and specifications has expanded, and welded steel pipes have increasingly replaced seamless steel pipes in a growing number of applications. Compared with seamless steel pipes, welded steel pipes are lower in cost and enjoy broader usage.

   Straight-seam pipe It is a new type of steel pipe formed by welding longitudinal seams parallel to the pipe’s axis, typically categorized into electric‑welded thin‑walled pipes, metric electric‑welded steel pipes, transformer cooling oil pipes, and other varieties of straight‑seam steel pipes. The manufacturing process for straight‑seam steel pipes is simple and easy to operate, resulting in low production costs and rapid development. In recent years, the production technology has steadily matured; with advances in science and technology, the efficiency, quality, and performance of these pipes have improved significantly, while production costs have also been reduced considerably.

  Straight-seam pipe is a practical steel pipeline that is now widely used in construction projects at small and medium scales. Moreover, straight-seam steel pipes are frequently employed in the mining, power, and construction industries, as well as in various piping systems, making them one of today’s key industrial products.

  Seamless pipes have long been a key product category; in recent years, a variety of steel pipe types have been developed, including electric‑welded seamless pipes, high‑frequency welded seamless pipes, double‑sided submerged‑arc welded seamless pipes, seamless‑converted seamless pipes, corrosion‑resistant seamless pipes, and hot‑expanded seamless pipes. These diverse types of seamless pipes are employed in a wide range of applications, meeting the needs of numerous industries.


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