Phanuphong Steel and Plates, a prominent manufacturer and supplier located in Bangkok, Thailand, is dedicated to providing top-notch API 5L Grade L390 Pipes that cater to the rigorous demands of the oil, gas, and petrochemical sectors. With a strong focus on quality, the company ensures that its products are designed for reliability, durability, and exceptional performance in critical applications. API 5L Grade L390 Pipes are celebrated for their impressive mechanical strength, ability to withstand harsh environments, and adherence to international standards, making Phanuphong Steel a go-to partner for industries in search of premium pipeline solutions.
These pipes are primarily made from carbon steel, featuring carefully controlled amounts of manganese, phosphorus, sulfur, and microalloying elements to boost their strength and weldability. They showcase high tensile and yield strength along with remarkable toughness, guaranteeing dependable performance even under fluctuating pressure conditions. Their mechanical properties include a minimum tensile strength of 514 MPa and a minimum yield strength of 390 MPa, along with excellent resistance to fractures and stress. These characteristics make the pipes ideal for both high-pressure and long-distance transmission needs.
| 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.
Phanuphong Steel is a top manufacturer and supplier of high-quality API 5L Grade L390 Pipe products in Bangkok, Thailand. 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 Pipes find extensive use in the oil and gas industry for transporting natural gas, petroleum, and water over long distances. Their robust strength and durability make them perfect for offshore pipelines, refinery operations, and cross-country transportation systems. Moreover, they are also employed in petrochemical plants, power generation, and structural applications that require resilience against stress and pressure. The pipes’ weldability and toughness in challenging environmental conditions make them a trustworthy choice for essential infrastructure projects, ensuring safety, longevity, and cost-effective pipeline operations.
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Phanuphong 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 Bangkok, Thailand.
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