Q235B SSAW (Spiral Submerged Arc Welded) Welded Pipe is manufactured from high-quality Q235B steel through spiral crimping and submerged arc welding. The material features excellent strength, toughness, and processing performance, while the spiral welding structure provides greater pressure-bearing capacity and structural stability.
These pipes exhibit high temperature resistance, stable deformation performance, wear resistance, and corrosion resistance, making them suitable for various demanding engineering environments.

Because of their reliable quality and competitive pricing, Q235B SSAW welded pipes are widely recognized and favored by customers across global markets.
Our pipes feature clean, smooth-cut ends, premium coating options, and uniform surface treatment. Excellent spraying and coating processes ensure a refined appearance and long-term durability.
Product Description
Specifications
| Item | Range / Details |
|---|---|
| Outside Diameter (OD) | 219.1 mm – 2540 mm |
| Length | 6 m – 22 m |
| Wall Thickness (WT) | 3.2 mm – 25.4 mm |
| Type | SSAW (Spiral Submerged Arc Welded Pipe) |
| Ends | Plain End / Beveled End / Threaded End |
Surface Coating Options
Available according to customer requirement:
Fusion Bonded Epoxy (FBE)
Coal Tar Epoxy
3PE Anti-corrosion Coating
Varnish Coating
Bitumen Coating
Black Oil Coating
These coating systems significantly improve corrosion resistance for use in seawater, buried pipelines, and aggressive industrial environments.
Packing Methods
Bundled with steel straps
In Bulk
Plastic Caps Plugged
Waterproof Paper Wrapped
Customized packaging is available upon request.
Tests & Inspection
Every pipe is tested according to international standards to ensure reliable quality.
Non-Destructive Testing (NDT)
X-ray Test
Ultrasonic Test (UT)
Radiographic Test (RT)
Other Tests
Hydrostatic Pressure Test
Impact Test
Mechanical Properties Test
Chemical Composition Test
These strict quality control procedures ensure excellent weld integrity, structural performance, and long-term reliability.
Applications
Q235B SSAW Welded Pipe is widely used in:
Shipping and marine construction
Water conservancy and hydropower projects
Building and structural engineering
Piling, foundation reinforcement
Long-distance liquid and gas transportation pipelines
Its large diameter, strong load-bearing capacity, and corrosion-resistant coating systems make it an ideal material for heavy-duty and long-span engineering projects.




















