L415 spiral steel pipe belongs to the medium to high strength pipe category in the API 5L standard, with a yield strength of over 415MPa, making it particularly suitable for transportation scenarios in high-pressure and highly corrosive environments. The spiral steel pipes produced by GNEE Group use double-sided submerged arc welding technology, with uniform weld formation and 100% non-destructive testing to ensure that every meter of steel pipe can withstand extreme working conditions.
Get the API 5L L415 (X60) SSAW Technical Manual: Access full pressure ratings, chemical analysis, and mechanical property charts for your next tender.
Comprehensive Size & Specification Chart (SSAW) of API L415 Spiral Welded Line Pipes
| Nominal Pipe Size (NPS) | Outside Diameter (mm) | Wall Thickness (mm) | Max Length (m) | Weight ( kg/m - approx) |
| 8" - 12" | 219.1 - 323.8 | 6.0 - 12.7 | 12.0 | 31.5 - 97.5 |
| 16" - 24" | 406.4 - 610.0 | 6.4 - 20.0 | 18.0 | 63.2 - 291.0 |
| 30" - 42" | 762.0 - 1067.0 | 7.9 - 25.4 | 18.0 | 146.5 - 652.8 |
| 48" - 60" | 1219.0 - 1524.0 | 9.5 - 25.4 | 18.0 | 284.1 - 940.0 |
| 72" - 80" | 1828.8 - 2032.0 | 12.7 - 25.4 | 18.0 | 568.9 - 1257.2 |
| 100"+ | 2540.0+ | Custom | 12.0 - 18.0 | Contact for Quote |
Production Process: The SSAW Helical Advantage
Uncoiling & Leveling: The steel coil is flattened for precision.
Edge Milling: Preparing the helical edges for deep-penetration welding.
Spiral Forming: The strip is bent at a specific "forming angle" to create the cylinder.
Continuous Welding: Submerged arc welding is applied simultaneously on the inside and outside (Double-sided SAW).
Plasma Cutting: The pipe is cut to the exact length required by the project.
API 5L L415 pipelines for combustible fluids Surface Treatments & Industry Applications
| Surface Treatment | Recommended Industry / Application |
| 3LPE / 3LPP Coating | Oil & Gas / Water: Buried pipelines across humid regions (Brazil/Colombia). |
| Internal Liquid Epoxy | Water Diversion: Lowers friction, increases flow, and prevents internal rust. |
| Bitumen / Coal Tar | Sewage & Waste: Traditional, low-cost protection for municipal waste lines. |
| Bare + Beveled Ends | Piling: Bridge foundations and port construction (Santos/Itajai). |
Test and inspection of API 5L L415 SSAW Pipeline
Zero-Risk Procurement: We support 100% Third-Party Inspection by SGS, BV, or Intertek. Join 100+ South American firms who trust our quality.
Seaworthy Packaging Of API L415 Carbon Steel Line Pipe
- Surface Coating: For SSAW pipes, we not only provide basic black varnish, but also recommend 3LPE or FBE anti-corrosion coatings. This is the best choice for dealing with high humidity environments in South America.
- End Protection: Sloped ends are highly susceptible to damage. We use heavy duty plastic caps or metal ring protectors to ensure that the pipe mouth does not deform during heavy lifting at the discharge port.
- Weather proof Marking: All markings are sprayed with UV resistant and salt spray resistant paint to ensure a perfect match between your documents and cargo information during customs clearance, avoiding delay penalties from Brazilian Customs (Receita Federal).
The "Nesting" Solution (Save 20-30%) of API L415 High Yield Line Pipes
- Innovative Nesting: We can transport small-diameter pipes (such as ERW or smaller SMLS pipes) in large-diameter API L415 SSAW pipes. This "pipe in pipe" nesting scheme can greatly reduce empty space and save you up to 20% -30% of shipping costs.
- Bulk vs. Container: Our logistics team will compare the advantages and disadvantages of breakbulk bottom loading and container transportation based on your order quantity (such as over 500 tons), and lock in the best freight rate for you.
100% Protection Guaranteed: From metal end protectors to All-Risks insurance, we ensure your API L415 pipes are safe from factory to foundation.
FAQ
What is ssaw steel pipe?
SSAW pipes, also known as spiral submerged arc welded pipes, are manufactured using a spiral welding process. This method ensures a consistent and uniform weld, contributing to the pipe's structural integrity.
How is ssaw pipe tested for quality?
Every ssaw steel pipe undergoes strict testing. We use ultrasonic testing and X-rays on the welds. We also perform hydrostatic tests where we fill the pipe with water under pressure.
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