china spiral welded pipe manufacturer and supplier

SSAW (Spiral Submerged Arc) Steel Pipe, Spiral Welded Pipe

SSAW Pipe is manufactured by a spiral weld process. They are often utilized for diameters greater than 20 inches NPS (Outside Diameter). SSAW can withstand high pressure and tension. It is suitable for transporting liquids, gases and other fluids.

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spiral weld pipe specifications

  • Name: Spiral Welded Pipe, SSAW pipe
  • Standard: API 5L, API 5CT, ASTM A53, ASTM A500, ASTM A795, AS 1163, EN 10217, EN 1029, JIS G3444, JIS G 3452, BS 1387
  • Grade: GR.A, GR.B, GR.1, GR.2, GR.3, X42, X46, X52, X56, X60, X70, Q235, Q345
  • Sizes:
    Out diameter: 8″ ~ 80″(219.1mm ~ 2032mm, DN200~ DN2000)
    Thickness: 6mm ~ 25.4mm(SCH 20~SCH XXS)
  • Surface Coating: Varnishing, Oiling, Hot Dip Galvanizing(FBE, 2PP, 3PP, 2PE, 3PE)
  • End Type: Plain, Bevelled, Threaded, Grooved
  • Joint Method: Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding
  • Pipe Machining: Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding
china spiral welded steel pipe factory-SSAW pipe Specifications

Standard of UniAsen SSAW Pipe 

ClassificationStandardMain Products
steel pipes for Oil & Gas TransportationAPI 5Lseamless and welded steel pipes for use in pipeline transportation systems
Steel Pipe for Fluid ServiceASTM A53seamless and welded black and hot-dipped galvanized steel pipe for mechanical and pressure applications
EN 10217Electric welded and submerged arc welded non-alloy steel tubes for pressure purposes
Steel Pipe for Ordinary StructureEN 10219Cold formed welded steel structural hollow sections
ASTM A500Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes for general structural purposes
Steel Pipe for Piling JobsASTM A252Welded and Seamless Steel Pipe Piles

Spiral Welded Pipe Manufacturing Process

The spiral welding technique is one of the oldest and most effective techniques for pipe production. The process begins with the selection of steel coils, which are shaped into a spiral form and sent to a welding station. Through submerged arc welding, the edges of the pipe are welded and create a strong joint. After that, its sizing is done. The method is useful in making cost-effective spiral welded pipes.

SSAW Pipe manufacturing process

Application of Spiral Welded Pipe

Due to its suitability for large diameters, pressure and corrosion resistance, SSAW pipe plays an important role in transmission and infrastructure projects in several industries Piling. Structural applications, water pipelines, slurry pipelines, dredge pipelines, and other types of pipelines are some of the uses for SSAW pipe.

what is spiral welded pipe?

Spiral welded pipes are made by rolling steel strips into tube-like shapes and welding the ends. 

The process involves forming the steel strip into a spiral shape and then welding the seam. This welding technique makes the pipe strong and reliable by keeping it even and continuous.

Spiral welded pipes are made by coiling steel plates into a spiral shape. Long weld seams are used to weld them together. This is different from seamless pipe and LSAW pipe.

For more details or orders, visit our website or contact our sales team. We are dedicated to providing high-quality spiral welded pipes for diverse industrial needs.

what is spiral welded pipe-China spiral welded pipe manufacturer and factory-UNIASEN


Both these pipes are the types of SAW (submerged arc welding) pipes. But their way of manufacturing along with structures are different. For SSAW pipes, the steel coils are shaped into a spiral form, which results in a helical seam. While LSAW pipes are manufactured by bending steel plates into a cylindrical form, and then they’re welded. This makes them a great option to be used for high-pressure applications. Both these types of pipes are effective, and are used for the transportation of oil and gas.


  • Cheap option
  • They’ve a spiral shape
  • Highly efficient
  • The outer diameter spans from 20 inches to 100 inches
  • Mainly used in construction
  • Tthickness tolerance is moderately precise


  • Expensive compared to SSAW pipes
  • Welded longitudinally
  • Production efficiency is quite low
  • Outer diameter ranges from 16 Inch To 60 Inch
  • Used for medium/high pressure applications
  • Thickness tolerance moderately precise
  • High geometry accuracy

Why Choose China spiral welded pipe?

Quality Assurance

UNIASEN’s steel pipe products are produced using high-quality carbon steel raw materials. And we implement more than 50 international standards. Our Spiral Welded Pipes undergo meticulous quality checks at every stage of production.

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Customization Services

Need a specific size or coating? Our Spiral Welded Pipes are customizable to meet your unique project requirements.

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Robust Technical Support

Contact us online or send an email to [email protected] to find our professional technical support team. We ensure our clients receive the expert assistance they need at every step.

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Competitive Pricing

Experience the perfect balance of quality and affordability. Our Spiral Welded Pipes offer a cost-effective solution without compromising on the durability and performance you demand.

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Timely Delivery

UNIASEN has 20,000 tons of steel pipes in stock, and we have more than 20 years of steel pipe export experience. We take pride in our efficient supply chain, ensuring your orders are delivered on time, every time.

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FAQs about spiral welded pipe

The pipeline is made of strong carbon steel plates and uses advanced spiral seam welding technology. This ensures it is reliable and durable.

Spiral welded pipe is strong, resists corrosion, and works well for many purposes. It is also cost-effective.

Our pipes made of carbon steel are used in various industries like oil, gas, construction, and drainage.

We provide carbon steel spiral seam welded pipes in various sizes and specifications, ranging from 8″ ~ 80″. For details, please view detailed specifications on this page.

Our carbon steel spiral seam welded pipes comply with international standards. For example, API 5L, API 5CT, ASTM A53, ASTM A500, EN 1029, etc. The quality is reliable and goes through strict quality inspection procedures. Please feel free to buy.

UNIASEN offers competitive prices, with flexible pricing based on order volume and specifications. This allows us to meet customers’ budgets and needs.

Yes. We accept custom orders and provide tailored solutions to meet specific customer needs. If you have any customization needs, please contact our expert team to serve you.

You can contact us directly through our website. Or you are welcome to call our sales team directly for detailed information and support in placing your order.

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