DHX provides high-quality welded spiral steel pipes widely used in petroleum and natural gas, chemical liquid transportation, construction projects, and industrial infrastructure. Employing advanced production techniques and stringent quality control, our products comply with international standards such as API 5L and GB/T 9711. We support custom specifications to meet diverse customer requirements.
- Outer diameter: 219mm – 3620mm
- Wall thickness: 5mm – 25mm
- Length: 6 meters – 12 meters (customizable upon request)
- Main Materials: Q235B, Q345B, L245, L360, X42-X80, 16Mn
Introduction
Our spiral steel pipes utilize advanced spiral welding technology to ensure exceptional strength and durability. Each pipe undergoes multiple rigorous inspections covering dimensions, wall thickness, weld quality, and other critical metrics, guaranteeing compliance with international quality standards.
Boasting outstanding corrosion resistance, pressure tolerance, and high-temperature performance, spiral steel pipes are widely applied in petroleum, natural gas, chemical processing, and municipal construction sectors, meeting demands across diverse complex environments. Whether for large-scale projects or customized requirements, we deliver flexible solutions.
We have provided high-quality spiral welded steel pipe solutions for multiple industries worldwide, spanning sectors such as oil and gas, construction, and chemical engineering. Our clientele includes globally renowned oil companies, construction contractors, and chemical enterprises, with whom we maintain long-standing cooperative relationships.
Should you be interested in our spiral welded steel pipe products or have any custom requirements, please feel free to contact us. Our professional team will provide detailed product information, quotations, and technical support.
Specification
| Technical Specifications | Details |
|---|---|
| Outer Diameter Range | 219mm – 3620mm |
| Wall Thickness Range | 5mm – 25mm |
| Length | 6 meters – 12 meters (customizable upon request) |
| Standards | API 5L, ASTM A252, EN10219, GB/T9711, etc. |
| Main Materials | Q235B, Q345B, L245, L360, X42-X80, 16Mn |
| Anti-corrosion Treatment | 3PE (Triple-Layer Polyethylene) |
| Epoxy Coal Tar Anti-corrosion | |
| Cement Mortar Lining | |
| FBE (Fusion-Bonded Epoxy Powder) Anti-corrosion | |
| IPN8710 Drinking Water Anti-corrosion |
Advantages

Applications
- Oil and Gas Transportation: Specifically engineered for oil and gas pipelines to ensure safe and efficient fluid transport.
- Chemical Liquid Conveyance: Suitable for liquid and gas transportation in the chemical industry, featuring excellent corrosion resistance.
- Construction Engineering and Infrastructure: Provides robust steel pipes to meet the demands of large-scale construction and infrastructure projects.
- Environmental Protection and Water Treatment: Applied in wastewater treatment and environmental protection projects, meeting environmental compliance requirements.
Get a Quote Now
We offer butt-welded pipe fittings, steel pipes, and flanges in various materials and specifications to meet diverse pipeline engineering requirements. Our experienced technical team provides effective solutions tailored to your specific needs. Contact us today for a quote and consultation!








