Marzouk Steel, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality steel products, serving industries that require strength, reliability, and precision. Among its specialized offerings is the API 5L Grade L320 Pipe, designed for oil, gas, and water transmission pipelines. Produced according to stringent API 5L standards using advanced technology and strict quality control, L320 pipes offer excellent tensile strength, ductility, and corrosion resistance. Marzouk Steel ensures that every L320 pipe meets international specifications, providing engineers and fabricators dependable solutions for energy transportation, industrial piping systems, and infrastructure projects.
API 5L Grade L320 Pipes are made from high-quality carbon steel with carefully controlled alloying elements, including carbon, manganese, phosphorus, and sulfur. The L320 designation ensures a minimum yield strength of 320 MPa while maintaining adequate tensile strength and ductility. These pipes exhibit excellent impact resistance, weldability, and toughness, suitable for both welded and seamless applications. Engineered to withstand internal pressures, mechanical stresses, and environmental challenges, L320 pipes provide reliable structural integrity for demanding pipeline operations.
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
|---|---|---|---|---|---|---|---|---|---|
| max 0.28 | – | max 1,40 | 0.03 | 0.03 | – | – | – | – | Nb+Ti+V max 0.15 |
| Yield Strength | Tensile Strength | Elongation A5 min | |||
|---|---|---|---|---|---|
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 435 | – | 63 | – | ||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Marzouk Steel is a top manufacturer and supplier of high-quality API 5L Grade L320 Pipe products in Tunis, Tunisia. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
API 5L Grade L320 Pipes are widely used in oil and gas pipelines for transporting crude oil, natural gas, and refined petroleum products. They are also suitable for water pipelines, slurry pipelines, and industrial piping systems that require high strength, reliability, and durability. Designed to handle high pressures, mechanical loads, and environmental stresses, L320 pipes provide secure, leak-proof operation. Engineers and fabricators rely on these pipes for pipeline infrastructure projects, energy transmission networks, and industrial fluid systems where safety, performance, and long-term operational efficiency are critical.
Marzouk Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Tunis, Tunisia.
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