Marzouk Steel, headquartered in Tunis, Tunisia, is a leading manufacturer and supplier of premium steel products, catering to industries that require strength, reliability, and precision. Among its specialized offerings is the API 5L Grade L450 Pipe, engineered for high-pressure oil, gas, and water transmission pipelines. Produced according to stringent API 5L standards using advanced technology and quality control, L450 pipes deliver excellent tensile strength, toughness, and corrosion resistance. Marzouk Steel ensures that every L450 pipe meets international specifications, providing engineers and fabricators dependable solutions for energy transportation, industrial piping systems, and infrastructure projects demanding long-term performance.
API 5L Grade L450 Pipes are manufactured from high-quality carbon steel with precisely controlled alloying elements, including carbon, manganese, phosphorus, and sulfur. The L450 designation ensures a minimum yield strength of 450 MPa, providing superior tensile strength and ductility. These pipes exhibit excellent impact resistance, weldability, and toughness, suitable for both welded and seamless configurations. Engineered to withstand high internal pressures, mechanical stresses, and harsh environmental conditions, L450 pipes offer reliable structural integrity for demanding pipeline operations.
| Specification | API 5L / ISO 3183 Hot Rolled . |
| API 5L Grade L450 Pipe Type | Seamless |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Outer Diameter Size | 3/8″ NB To 30″ NB (Nominal Bore Size) |
| Wall Thickness | Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness |
| Length | 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size. |
| Pipe Ends | Plain Ends / Beveled Ends / Coupling |
| Surface Coating | Epoxy Coating / Colour Paint Coating / 3LPE Coating. |
| 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 |
| 535 | – | 78 | – | ||
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 L450 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 L450 Pipes are widely used in high-pressure oil and gas pipelines for transporting crude oil, natural gas, and refined petroleum products. They are also suitable for industrial piping systems, water transmission, and infrastructure projects requiring high-strength, durable, and reliable pipelines. Engineered to resist high pressures, mechanical loads, and corrosive environments, L450 pipes ensure leak-proof, secure operation. Engineers and fabricators rely on these pipes for pipeline infrastructure, energy transportation networks, and industrial fluid systems where safety, durability, and 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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