Spirally welded steel pipes are a type of steel pipe produced by winding a steel strip into a spiral shape, with the edges of the strip welded together using the submerged arc welding (SAW) method. The process begins with the steel coil being uncoiled, flattened into strips, and then fed into forming reels to shape the pipe. The edges of the strip are bent at a specific angle relative to the pipe's diameter and are precisely aligned to ensure optimal welding conditions.

Both the internal and external surfaces of the pipe are rigorously inspected throughout the manufacturing process. The welding zones, where the strip edges are fused, undergo 100% inspection  to ensure the integrity of the weld. After the strip has been formed into a pipe, it is cut to the desired length ensuring precision and uniformity in the final product.

 

ANNUAL PRODUCTION      150.000 TONS

PRODUCTION RANGE         Ø 219,1 mm – Ø 2540 mm  (8” – 100”)

COATING RANGE                 Ø 219,1 mm – Ø 2032 mm  (8” – 80”)

WALL THICKNESS                4,00 mm – 25,00 mm 

PIPE LENGTH                       4,00 mtr - 14,00 mtr (up to 48 mtr with joint welding )

RAW MATERIAL                    Hot Rolled Steel Coils (HRC)

WELDING PROCESS            Internal and external Submerged Arc Welding (SAW)

PRODUCTION STANDARDS

Pipes are manufactured according to the requirements of the following standards:

EN 10217-1	P195TR1-P195TR2, P235TR1-P235TR2, P265TR1-P265TR2, S235JR, S275JR,S355JR
EN 10219 - 1	S235JRH, S275J0H, S275J2H, S275NH, S275NLH, S355JOH, S355J2H, S355K2H, S355NH, S355NLH
EN 10224	L235, L275, L355

 

The Spiralweld manufacturing process is one of the most cost-effective methods for producing steel pipes.

Spiralweld pipes are made from steel coils and typically utilize a helical double submerged arc weld (DSAW) to join the edges.

The mill setup provides a high degree of flexibility, enabling the production of pipes with a broad range of diameters and wall 

thicknesses.

As a result, BCS is capable of offering Spiralweld products suitable for both structural and non-structural applications.

 

USAGE AREAS: 

• Water Supply Pipelines
• Wastewater Collection Pipelines
• Stadium Infrastructure
• Industrial Pipeline Networks
• Steel Frameworks
• Compressed Air Systems
• Drilling Wells
• High-Temperature Water Transportation
• Shipyard and Harbor Pilings
• Agricultural Water Transport Pipelines

 

 

​PIPE JOINTS 

SAW (Submerged Arc Welded) pipe ends are the final forms or treatments applied to the ends of a SAW pipe to ensure they can be connected effectively to other pipes, fittings, or equipment in a pipeline system. There are several types of pipe ends commonly used for SAW pipes, each tailored to the requirements of the installation or project. The most common SAW pipe ends include:

Plain End (PE) 

Beveled End

Flanged End

Grooved End

Threaded End

PIPE FITTINGS : ELBOW

Pipes fittings such as elbows are produced and corrosion-protected according to the specifications outlined in the customer order.