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Adhering to thirty years of professional accumulation, focusing on the research and development, design, manufacturing and sales of welded pipe equipment

Automatic 426 Small-Diameter Spiral Welded Pipe Line in Liaoning,China

12 May,2026


Recently, the automated production line for Liaoning’s 426 small-diameter spiral welded pipe mill—designed and manufactured by Taiyuan Huaye Heavy Industry—is operating stably at the customer’s site. From equipment fabrication and installation to commissioning and formal production launch, the entire process was closely supervised by Huaye’s technical team, with the line demonstrating excellent performance and reliable, stable operation.

Machine Specifications:

Board width: 350–750 mm 
Pipe diameter: 219 – 426 mm 
Wall thickness: 3–8 mm 
Pipe length: 8–12 m

This 426‑mm small‑diameter spiral welded pipe production line is equipped with an automated control system, offering high production efficiency, stable forming, and reliable weld quality, thereby meeting the demands of continuous production for a wide range of pipe specifications. The entire production line integrates multiple processes, including coil uncoiling, forming, welding, and pipe cutting, achieving full automation and intelligent operation, which effectively enhances both customer productivity and product quality.

As a company specializing in the R&D and manufacturing of spiral welded pipe equipment, Huaye Heavy Industry boasts extensive project experience and mature technical solutions in both small‑diameter and large‑diameter spiral welded pipe production lines. Over the years, the company has consistently provided domestic and international customers with complete spiral welded pipe production lines, hydraulic presses, end‑face chamfering machines, and other equipment, along with comprehensive after-sales service.

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