2022-05-07

3PE-coated steel pipe

3PE‑coated steel pipe refers to an externally coated steel pipe with a three‑layer polyethylene protective layer, and it is a commonly used type of corrosion‑resistant pipeline in the petroleum industry. As for 3PE‑coated steel pipes, precision seamless steel pipes are high‑precision tubes produced through cold drawing, cold rolling, or subsequent processing; their full name is cold‑drawn or cold‑rolled precision seamless steel pipe.

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2022-05-07

Spiral Steel Pipe Manufacturing Process

The manufacturing process of spiral welded steel pipe involves extrusion forming under ambient temperature conditions. It is produced by welding strip‑coil material using an automated double‑wire, double‑sided submerged‑arc welding process to create spiral‑seam steel pipe.

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2022-05-07

Hebei spiral steel pipe supplier

Zhongyuan Pipeline Manufacturing Co., Ltd. is located in the Southern Industrial Zone of Yanshan County, Hebei Province, with a total building area of 210,000 square meters and a site covering 545,000 square meters. The company employs 613 staff members and has total assets of RMB 1.1 billion. It operates two state-of-the-art three-layer polyolefin (PE, PP) coating production lines, 13 spiral‑seam double‑sided submerged‑arc welded steel pipe production lines, two internal and external epoxy powder anti-corrosion production lines, and two internal and external liquid epoxy anti-corrosion production lines. Advanced testing equipment and a high‑standard physicochemical laboratory serve as reliable first‑line guarantees for product quality. The company’s annual production capacity includes 1.6 million square meters of coated steel pipes and 1 million tons of steel pipes.

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Spiral steel pipe

Spiral welded steel pipe is manufactured by rolling strip steel into coils, forming the pipe at room temperature, and then welding it using an automated double-wire, double-sided submerged-arc welding process. Spiral welded steel pipes are primarily used in the petrochemical industry, the power industry, agricultural irrigation, the chemical industry, urban construction, and municipal water supply projects.

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2022/05