Phanuphong Steel and Plates, a top-notch manufacturer and supplier located in Bangkok, Thailand, is all about high-quality Carbon Steel A519 Gr 440 Pipes. Known for their precision engineering and strict quality standards, this company meets a variety of industrial needs while ensuring durability and performance. With state-of-the-art manufacturing facilities and a strong focus on customer satisfaction, Phanuphong Steel provides products that align with international specifications. The A519 Gr 440 Pipe is designed for tough applications that demand high strength, excellent weldability, and consistent thickness. Trusted by industries throughout Thailand and Southeast Asia, Phanuphong Steel guarantees timely delivery, technical support, and dependable solutions for all your steel pipe needs.
Carbon Steel A519 Gr 440 Pipes are mainly made up of carbon, manganese, phosphorus, and sulfur, with a few trace elements thrown in to boost strength and durability. This chemical makeup gives the pipes impressive mechanical properties, including a high tensile strength of about 550–700 MPa and a yield strength of around 350–450 MPa. They also show good hardness, toughness, and ductility, making them perfect for forming and welding. Plus, heat treatment can enhance their strength and wear resistance even further. With consistent dimensional accuracy, these pipes ensure reliable performance in high-pressure and high-temperature situations, maintaining their structural integrity over a long service life.
| Grade | MFG. | C max | Mn* | P max | S max | Si min | Cr˟ max | Cu˟ max | Ni˟ max | Mo˟ max | V˟ max |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C | SMLS | 0.35* | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Grade | Process | Tensile Strength (MPa) Min | Yield Strength (MPa) Min | Elongation in 2” (%) MinimumLong. Strip Test | Elongation in 2” (%) MinimumTrans. Strip Test |
|---|---|---|---|---|---|
| C | SMLS | 70,000 [485] | 40,000 [275] | 30 | 16.5 |
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 Carbon Steel A519 Gr 440 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.
You’ll find Carbon Steel A519 Gr 440 Pipes in a variety of industries that need strong, high-strength tubing. They’re commonly used in boilers, pressure vessels, heat exchangers, and condensers, where they must handle high temperatures and pressures. They’re also great for chemical processing, oil and gas pipelines, and mechanical structural components. Thanks to their excellent weldability, these pipes are a go-to choice for many demanding applications.
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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