API 5L Grade L320 Pipes are high-quality, seamless or welded steel pipes manufactured by Filiz Steel in Istanbul, Turkey. Designed according to API 5L standards, these pipes offer excellent strength, toughness, and corrosion resistance, making them ideal for transporting oil, gas, and water. Grade L320 indicates a minimum yield strength of 320 MPa, ensuring reliable performance under pressure. These pipes are widely used in the oil & gas, water supply, and petrochemical industries, providing long-lasting and safe operation in pipelines, refineries, and distribution networks. Their durability and precision make them a trusted choice worldwide.
API 5L Grade L320 Pipes are made from carbon steel with small amounts of manganese, silicon, and other alloying elements. They offer a minimum yield strength of 320 MPa and high tensile strength, providing excellent toughness and ductility. These pipes can withstand high internal pressure and resist deformation, corrosion, and wear. They are suitable for both welded and seamless construction. With precise dimensional tolerances, good weldability, and long service life, API 5L L320 Pipes ensure reliable and safe performance in demanding pipeline and industrial applications.
| 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.
Filiz Steel is a top manufacturer and supplier of high-quality API 5L Grade L320 Pipe products in Istanbul, Turkey. 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 & gas pipelines, water transportation, petrochemical plants, and infrastructure projects. They are ideal for conveying natural gas, crude oil, refined petroleum products, and water over long distances under high pressure. These pipes are also used in refineries, chemical plants, and pipeline networks where safety, strength, and durability are critical. With excellent mechanical properties and corrosion resistance, API 5L L320 Pipes ensure leak-free, long-lasting, and reliable operation. Engineers and manufacturers choose these pipes for pipeline systems that require efficient, safe, and high-performance solutions in challenging industrial environments.
Filiz 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 Istanbul, Turkey.
Copyright 2025 Filiz Steel. All rights reserved