| Item | Specification / Capability |
|---|---|
| Outside Diameter (OD) | Φ219 mm – Φ3620 mm |
| Wall Thickness (WT) | 5 mm – 25.4 mm |
| Pipe Length | 3 m – 70 m |
SSAW steel pipe is manufactured through the spiral submerged arc welding process and is available in a wide range of diameters and lengths for pipeline, water transmission, piling, and structural projects.
Products can be supplied according to customer requirements and applicable international standards.
| Application Category | Common Standards |
|---|---|
| Oil & Gas Transmission Pipelines | API 5L PSL1 / PSL2, ISO 3183 |
| Water Transmission and Fluid Transportation | ASTM A53, EN 10217-2, EN 10217-5 |
| Structural and Piling Applications | ASTM A252, EN 10219-1, EN 10219-2 |
SSAW steel pipe can be supplied in accordance with various international standards depending on project requirements, service conditions, and end-use applications.
Applicable standards may vary based on pipe dimensions, steel grade, testing requirements, and customer specifications.
Available steel grades include API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, and X80, ASTM A53 Grade A and Grade B, ASTM A252 Grade 1, Grade 2, and Grade 3, as well as equivalent grades under EN standards.
Grade availability may vary depending on pipe dimensions, wall thickness, and project specifications.
SSAW pipe is produced from hot-rolled steel coil through spiral forming and submerged arc welding.
During production, steel coil is continuously formed into a spiral shape and welded using an automatic double-sided submerged arc welding process. The spiral forming method enables large-diameter steel pipes to be manufactured from steel coil, making SSAW pipe a widely used solution for water transmission, pipeline transportation, and piling applications.

Water Transmission Systems
Oil & Gas Transmission Pipelines
Bridge and Marine Piling
Municipal Drainage and Sewage Projects
1) Large-Diameter Production Range
SSAW manufacturing enables pipe diameters up to 3620 mm, making it suitable for large-scale water transmission, pipeline, and piling projects.
2) Welding and Inspection Procedures
Weld seams can be inspected according to applicable project requirements, including non-destructive testing and dimensional verification prior to shipment.
3) Coating and Surface Protection Options
Pipes can be supplied with external and internal coating systems according to project specifications, including solutions for corrosion protection and extended service life.
4) Export Packaging and Delivery Support
Products can be supplied with export packaging, inspection documentation, and shipment arrangements based on project and destination requirements.
5) Project-Based Supply Experience
We support customers throughout the quotation, specification review, production, inspection, and delivery process to help ensure smooth project execution.
Q1: What is the difference between SSAW and LSAW pipe?
SSAW pipe is manufactured from steel coil through a spiral forming process, while LSAW pipe is produced from steel plate with a longitudinal weld seam. SSAW manufacturing allows large diameters to be produced from steel coil, whereas LSAW pipe is typically selected for applications requiring thicker wall sections and tighter dimensional tolerances.
Q2: How do I choose between SSAW and LSAW pipe for my project?
In general, SSAW pipe is commonly selected for large-diameter water transmission, piling, and infrastructure projects, while LSAW pipe is often specified when thicker wall sections, higher pressure ratings, or tighter dimensional tolerances are required. The final selection should be based on project specifications and operating conditions.
Q3: Can SSAW steel pipe be supplied with anti-corrosion coatings?
Yes. SSAW steel pipes can be supplied with various coating systems, including FBE, 3LPE, 3LPP, and other coatings according to project requirements.
Q4: Is third-party inspection available?
Yes. Third-party inspection can be arranged according to project requirements. Inspection agencies may witness production, testing, and final inspection before shipment.
Q5: What information is required for quotation?
To provide an accurate quotation, please provide pipe size, wall thickness, steel grade, standard, quantity, coating requirement, and delivery destination.
Q6: What is the maximum diameter available for SSAW pipe?
SSAW pipe can be manufactured in diameters up to 3620 mm, depending on project requirements and production specifications.