Dang Steel, a reputable manufacturer and supplier located in Da Nang, Vietnam, is dedicated to providing top-notch API 5L Grade L390 Pipes that adhere to international industry standards. With a strong focus on precision engineering and reliability, Dang Steel guarantees that its pipes are crafted using cutting-edge technology and are subjected to rigorous quality inspections. These pipes are well-known for their strength, durability, and performance in challenging environments. Catering to a variety of sectors such as oil, gas, construction, and energy, Dang Steel consistently delivers cost-effective and trustworthy piping solutions, making it a go-to partner both in Vietnam and on the global stage.
API 5L Grade L390 Pipe is primarily made from carbon steel, incorporating elements like manganese, phosphorus, sulfur, and trace micro-alloys that boost its strength and toughness. It boasts impressive mechanical properties, featuring a minimum yield strength of 390 MPa and tensile strength that ranges from 490 to 760 MPa. The pipe also provides good elongation and impact resistance, ensuring it remains reliable under high-pressure conditions. Its exceptional weldability, formability, and toughness across various temperatures make it an excellent choice for critical pipeline projects in the oil, gas, and petrochemical industries.
| Specification | API 5L / ISO 3183 Hot Rolled . |
| API 5L Grade L390 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 |
| 490 | – | 71 | – | ||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Dang Steel is a top manufacturer and supplier of high-quality API 5L Grade L390 Pipe products in Da Nang, Vietnam. 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 L390 Pipe is extensively utilized for transporting natural gas, crude oil, petroleum products, and water over long distances under high pressure. It plays a vital role in both onshore and offshore pipeline construction due to its strength and resistance to corrosion. These pipes are also employed in structural engineering, power generation facilities, and refineries where durability and efficiency are paramount. With outstanding toughness, weldability, and reliability, L390 pipes are perfect for energy, infrastructure, and industrial projects, ensuring safe and efficient fluid transportation even in tough environmental and operational conditions.
Dang 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 Da Nang, Vietnam.
Copyright 2025 Dang Steel. All rights reserved