High Quality Spiral Saw Pipes

What are Spiral SAW Pipes?

Spiral SAW (Submerged Arc Welded) pipes, also known as HSAW (Helical Submerged Arc Welded) pipes or SSAW (Spiral Submerged Arc Welded) pipes, are manufactured by spirally welding steel coils in a helix form. This unique manufacturing process enables the production of large-diameter pipes with excellent strength and flexibility. These pipes are widely used for long-distance transportation of oil, gas, water, and other fluids. ASTM A134 and ASTM A252 standards are commonly referenced for these pipe types.

What is the difference between Spiral SAW and LSAW Pipes?

• Spiral SAW (HSAW/SSAW): The weld seam runs in a helix (spiral) pattern around the pipe. This allows for the production of very large diameters from narrower steel strips.
• LSAW (Longitudinal SAW): The weld seam runs along the length of the pipe. It uses steel plates and is often preferred for high-pressure, critical applications.

Spiral pipes are cost-effective for large-diameter, low-to-medium pressure applications, while LSAW pipes are typically used for high-pressure, critical services.

What are the advantages of Spiral SAW Pipes?

• Large Diameter Capability: Can be manufactured in very large diameters (up to 120″ or more).
• Cost-Effective: Uses narrower steel strips, making them more economical for large-diameter applications.
• Excellent Strength: The spiral weld provides uniform strength distribution.
• High-Quality Weld: Submerged arc welding ensures deep penetration and defect-free joints.
• Flexibility: Better resistance to bending and deformation during installation.
• Versatile Applications: Suitable for water transmission, oil & gas, piling, and structural uses.

What are the common applications of Spiral SAW Pipes?

• Water transmission and irrigation systems
• Oil and gas transportation pipelines
• Piling and foundation applications
• Structural and mechanical uses in construction
• Penstocks and hydroelectric projects
• Dredging and slurry pipelines
• Industrial process piping

Which standards do Spiral SAW Pipes conform to?

At Ratnadeep Steel & Engg. Co., we manufacture Spiral SAW (HSAW/SSAW) pipes in compliance with international standards including:

• API 5L – Line pipe specification
• ASTM A671 – Electric-fusion-welded steel pipe
• ASTM A672 – Electric-fusion-welded steel pipe for high-pressure service
• ASTM A252 – Welded steel pipe piles

For technical guidance, refer to resources from ASME and World Stainless.

What sizes and specifications are available for Spiral SAW Pipes?

Ratnadeep Steel offers Spiral SAW pipes in a wide range of sizes and specifications:

• Diameter Range: 8″ NB to 120″ NB
• Wall Thickness: 4mm to 25mm
• Grades: API 5L Grade A, B, X42, X52, X60, X65, X70
• Length: Single Random, Double Random & Customized lengths
• Ends: Plain End, Beveled End, Threaded

Which industries use Spiral SAW Pipes?

• Oil & Gas Industry
• Water Treatment and Desalination Plants
• Construction and Infrastructure
• Power Generation and Hydroelectric Projects
• Offshore and Marine Engineering
• Mining and Dredging Operations
• Petrochemical and Chemical Plants