API 5L pipes are top-notch carbon steel pipes crafted specifically for transporting oil, gas, water, and other fluids through pipeline systems. Built to meet API standards, these pipes boast impressive strength, durability, and reliability, even in high-pressure and high-temperature situations. You can find API 5L pipes in a variety of grades and sizes, making them suitable for both onshore and offshore applications. Their sturdy construction, consistent performance, and adherence to international specifications make them a go-to choice for energy, petrochemical, and infrastructure projects.
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What is API 5L Pipe?
These pipes are made from carbon steel with carefully controlled chemical elements like carbon, manganese, silicon, phosphorus, sulfur, and micro-alloying elements, depending on the specific grade. They feature solid mechanical properties, including good yield strength, tensile strength, and enough elongation to handle internal pressure and external loads. Plus, they offer great toughness and resistance to cracking. The balanced composition ensures they are easy to weld, form, and perform reliably in demanding pipeline applications.
API 5L Pipe Specifications
| Parameter | Specification |
|---|---|
| Standard | API 5L |
| Product Type | Line Pipe |
| Specification Levels | PSL 1 / PSL 2 |
| Pipe Grades | A25, A, B, X42, X46, X52, X56, X60, X65, X70 |
| Manufacturing Process | Seamless, ERW, LSAW, SSAW |
| Outside Diameter | 21.3 mm – 1219 mm |
| Wall Thickness | 2.0 mm – 60 mm |
| Length | Random, SRL, DRL, Cut Length |
| End Finish | Plain End (PE), Beveled End (BE), Threaded & Coupled (T&C) |
| Delivery Condition | As Rolled, Normalized, TMCP, Quenched & Tempered |
| Surface Finish | Black, Varnished, 3LPE, 3LPP, FBE Coated |
| Heat Treatment | As per grade & PSL requirement |
| Testing | Chemical, Mechanical, Hydrostatic, NDT |
| Impact Test | Mandatory for PSL 2 |
| Toughness Requirement | As per grade and thickness (PSL 2) |
| Carbon Equivalent | Controlled (PSL 2) |
| Certification | EN 10204 3.1 / 3.2 |
| Typical Applications | Oil & Gas Pipelines, Water Lines, Refineries, Power Plants |
API 5L Pipe Chemical Compositions
| Element | API 5L PSL1 (Max %) | API 5L PSL2 (Max %) |
|---|---|---|
| Carbon (C) | 0.28 | 0.24 |
| Manganese (Mn) | 1.20 | 1.40 |
| Phosphorus (P) | 0.030 | 0.025 |
| Sulfur (S) | 0.030 | 0.015 |
| Silicon (Si) | 0.45 | 0.45 |
| Vanadium (V) | 0.10 | 0.10 |
| Niobium (Nb) | 0.05 | 0.05 |
| Titanium (Ti) | 0.04 | 0.04 |
| Copper (Cu) | 0.50 | 0.50 |
| Nickel (Ni) | 0.50 | 0.50 |
| Chromium (Cr) | 0.50 | 0.50 |
| Molybdenum (Mo) | 0.50 | 0.50 |
| Carbon Equivalent (CE) | — | ≤ 0.43 (typical) |
API 5L Pipe Equivalent Grades
| C55 EN 10083-2 Number:1.0535 | Comparision of steel grades | |
| JIS G 4051 | S 55 C | |
| DIN 17200 | C 55 | |
| NFA 33-101 | AF70-C 55 | |
| UNI 7846 | C 55 | |
| BS 970 | 070 M 55 | |
| UNE 36011 | C 55 k | |
| SAE J 403-AISI | 1055 | |
If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges
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 5L 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 5L Pipe
Uses of API 5L Pipe
API 5L pipes are extensively used in the oil and gas sector for transporting crude oil, natural gas, and refined petroleum products. They’re also utilized in water transmission pipelines, slurry lines, and industrial fluid handling systems. Whether for onshore or offshore installations, you’ll find API 5L pipes in refineries, power plants, and petrochemical facilities. Their strength, ability to withstand pressure, and long service life make them perfect for critical pipeline infrastructure.
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