Industrial Seamless Carbon Steel Pipes: Schedule 40 and API 5L Standards
Explore the ultimate guide to SMLS and Schedule 40 carbon steel pipes. Learn about API 5L standards, quality verification, and maintenance for bulk industrial exports.
API 5L Welded Steel Pipe Type: ERW/LSAW/SSAW pipes
Specification Level: PSL1 and PSL2
Standard: API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80
Surface: Bright surface, oil coating, varnish coating, protective coating (3LPP, 3LPE, FBE, 2FBE, EPOXY coating), HDG (hot dip galvanizing).
Application: Onshore and offshore pipelines for transporting oil, gas, and water.
As a dedicated steel pipe manufacturer with decades of experience, we provide high-grade API 5L SSAW (Spiral Submerged Arc Welded) steel pipes designed to meet the rigorous demands of oil, gas, and water transmission. Whether you are a stockist managing large inventories or a contractor executing critical infrastructure, our SSAW steel pipes offer the perfect balance of structural integrity and cost-efficiency.
| Feature | Specification Details |
| Standard | API 5L, ASTM A252, EN10219, AWWA C200 |
| Steel Grade | Grade B, X42, X46, X52, X56, X60, X65, X70 |
| Outer Diameter (OD) | 219.1mm – 4064mm (8″ – 160″) |
| Wall Thickness (WT) | 3.2 mm – 40mm |
| Length | 6m – 18m (Custom lengths available for project sites) |
| End Finish | Beveled Ends, Plain Ends, or Threaded (with protectors) |
| Surface Coating | Bare, Black Vanish, 3LPE, FBE, Epoxy Lining, Galvanized |
SSAW pipes are manufactured using the spiral welding process, which allows for the production of large-diameter pipes from narrower steel strips. This provides several advantages for your projects:
Dimensional Accuracy: High precision in diameter and wall thickness consistency.
Stress Distribution: The spiral weld design helps distribute internal pressure more evenly across the pipe body.
Versatility: Ideal for long-distance pipelines, piling projects, and high-pressure fluid transmission.
In the industrial pipe sector, quality isn’t an option—it’s a requirement. Every API 5L SSAW pipe leaving our facility undergoes a series of stringent tests to ensure 100% compliance:
Chemical Analysis & Mechanical Testing: Ensuring the raw material meets the specific grade requirements (Yield/Tensile strength).
Hydrostatic Testing: 100% of pipes are tested for pressure leaks.
Ultrasonic & X-Ray Inspection: Full-length weld seam inspection to detect any internal defects.
Dimensional Inspection: Checking ovality, straightness, and bevel angles.
MTC Provided: All shipments are accompanied by a Mill Test Certificate (EN 10204 3.1).
Looking for a reliable manufacturing partner for your next tender or stock order? Our technical team is ready to provide you with a competitive quote and detailed technical consultation.
Email: info@jssteelpipes.com
WhatsApp: +8618003119682
WeChat: JSFITTINGSCHINA
When you choose to contact us, you will love our service
No matter you have rich experience of importing or new in this industry, our team will try the best to make your purchase of steel pipes fast and efficient.
All staff are7x 24 hours online and all your inquiries will be replied within 2 hours.
common size of steel pipes are in stock more than 800 tons, CIF orders will book stand-on vessel first.
Test report, certificates, CO and all customs clearance documents will be replied in time.
Explore the ultimate guide to SMLS and Schedule 40 carbon steel pipes. Learn about API 5L standards, quality verification, and maintenance for bulk industrial exports.
Ensure your bulk carbon steel pipe orders meet API 5L & ASTM standards. Our expert guide covers PSL2 compliance, HIC resistance, and TPI for oil & gas distributors.
Introduction: The Growing Demand for Reliable ERW Steel Pipes Electric Resistance Welded (ERW) steel pipes are the backbone of modern infrastructure, widely used in water
How to choose ASTM A106 & API 5L Seamless Pipes in the Middle East Infrastructure
We will contact you within 2 hours, please pay attention to the email with the suffix “@jsfittings.com” or “@chinajsgj.com”.
