Production Inspection

Wanji Steel Pipe (Qinhuangdao) Co., Ltd. is equipped with advanced, efficient, and intelligent steel pipe production and testing equipment, forming a large-diameter, full specification, and high standard manufacturing system, empowering quality manufacturing with sophisticated equipment,Meet various high-end engineering application needs.
The company has a JCOE large-diameter straight seam submerged arc welded pipe production line, which can produce a full range of DN450-DN2700 specification products; Equipped with a three-axis molding production line, achieving DN1000-DN4000 ultra large caliber pipes,Coverage of wide area pipe diameter requirements. Simultaneously equipped with a 10000 ton steel pipe production machine, equipped with American Lincoln four wire internal and external welding machines and automatic laser pre welding equipment, with high welding efficiency and excellent forming accuracy, ensuring stable weld qualityDefinitely reliable.

The entire production testing process adopts an automatic steel pipe diameter measurement system to achieve precise size detection; Equipped with automatic welding seam grinding equipment to finely polish welding seams, further enhancing product appearance and meeting customer needs.
In terms of quality control, strict inspections are carried out throughout the entire process and coverage, including phased array automatic steel pipe UT testing, 100% hydrostatic testing, 100% DR testing, and offline 100% magnetic particle inspection and 100% magnetic particle inspection of steel plates
Automatic UT testing ensures that products have no defects and meet performance standards from multiple dimensions, providing customers with safe, reliable, and high-quality steel pipe products.