Stolt Steel stands out as a premier stockist and supplier of API Welded Line Pipes in Dubai, UAE. We pride ourselves on delivering top-notch steel pipes tailored for the oil, gas, and petrochemical sectors. Our pipes are renowned for their durability, precision, and strict compliance with international API standards, ensuring safe and efficient fluid transport even in high-pressure and corrosive environments. Trusted for their reliability and consistent performance, our welded line pipes are perfect for pipelines, refineries, and industrial fluid-handling systems.
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What is API Welded Line Pipe?
Crafted from high-grade carbon and alloy steels, our API Welded Line Pipes incorporate controlled alloying elements like chromium, nickel, and molybdenum to enhance strength, toughness, and corrosion resistance. They come with either longitudinal or spiral welded seams, which provide exceptional structural integrity and impressive pressure-handling capabilities. With high tensile and yield strength, good impact resistance, and uniform wall thickness, these pipes are built to perform reliably in demanding industrial settings. Plus, they maintain excellent weldability and dimensional accuracy, making installation a breeze.
API Welded Line Pipe Specifications
| Property / Standard | Typical Range / Value | Notes |
|---|---|---|
| Material | Carbon Steel / Alloy Steel | For oil, gas, and water pipelines |
| Standard | API 5L | Widely used for line pipe specification |
| Pipe Type | Welded (ERW / SAW) | Electric Resistance Welded (ERW) or Submerged Arc Welded (SAW) |
| Grade | API 5L X42, X46, X52, X56, X60, X65, X70, X80 | Selection depends on pipeline design and pressure |
| Outer Diameter (OD) | 21.3 mm – 1,219 mm | Standard OD ranges per API 5L |
| Wall Thickness | 2.77 mm – 50 mm | Depends on design pressure and diameter |
| Length | 6 m – 12 m | Standard lengths; can be cut-to-length |
| Yield Strength (MPa) | 290 – 560 | Varies with grade |
| Tensile Strength (MPa) | 415 – 690 | Varies with grade |
| Elongation (%) | 20 – 30 | Depends on grade and diameter |
| Surface Finish | Mill finish, painted, coated | Optional for corrosion protection |
| Testing | Hydrostatic test, NDT, PMI | As per API 5L, includes UT, RT, or Eddy Current |
| Applications | Oil & gas transmission pipelines, water pipelines, petroleum and petrochemical industries | Depends on grade and pressure |
API Welded Line Pipe Chemical Compositions
| Element | Max % |
|---|---|
| Carbon (C) | 0.28 |
| Manganese (Mn) | 1.20 |
| Phosphorus (P) | 0.030 |
| Sulfur (S) | 0.030 |
| Silicon (Si) | 0.45 |
| Copper (Cu) | 0.40 |
| Nickel (Ni) | 0.40 |
| Chromium (Cr) | 0.30 |
| Molybdenum (Mo) | 0.15 |
| Vanadium (V) | 0.10 |
| Niobium (Nb) | 0.05 |
| Titanium (Ti) | 0.04 |
API Welded Line Pipe Equivalent Grades
| Standard / Specification | Equivalent Grades | Notes |
|---|---|---|
| API 5L | ASTM A53, ASTM A135 | Carbon steel welded line pipe equivalents |
| ASTM A53 | API 5L X42, X46, X52, X56, X60, X65, X70 | Standard welded pipe specification for oil, gas, and water pipelines |
| EN 10217-1 / EN 10217-2 | P235TR1, P265TR1, P355TR1, P355NL1 | European welded carbon steel pipe equivalents |
| JIS G3463 | STK42, STK46, STK52, STK56, STK60, STK65, STK70 | Japanese welded line pipe equivalents |
| GB/T 3091 / GB/T 9711 | Q235B, X42, X52, X60, X65, X70 | Chinese welded line pipe equivalents |
If You Are Looking To Buy High Quality Pipes, Sheet, Angle, Hollow Section, Flat Product.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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Stolt Steels is the largest stockist of API Welded Line Pipe in Dubai, UAE.
Stolt Steels is a trusted stockist, stockist, and supplier of premium-quality steel products in Dubai, UAE, serving diverse industrial sectors with reliable materials and timely delivery. With a strong commitment to excellence, we offer a wide range of pipes, sheets, plates, and other metal solutions designed to meet global standards. Our extensive inventory, expert support, and customer-focused approach make us a preferred partner for companies seeking durable and high-performance steel products. For inquiries or orders, contact us at sales@stoltsteels.com.
Types of API Welded Line Pipe
Uses of API Welded Line Pipe
API Welded Line Pipes find extensive application in both onshore and offshore oil and gas pipelines, refineries, petrochemical plants, and high-pressure fluid systems. They are designed to transport crude oil, natural gas, and various chemicals safely over long distances. Offering a long service life, resistance to corrosion, and a cost-effective alternative to seamless pipes, our welded line pipes deliver efficient, safe, and dependable solutions for energy, process, and industrial fluid-handling needs.
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