Phanuphong Steel and Plates, a reputable manufacturer and supplier located in Bangkok, Thailand, is dedicated to delivering top-notch **Carbon Steel ASME SA 519 Grade 1019 Tubing** tailored for a variety of industrial needs. Renowned for its exceptional strength, durability, and precise engineering, this tubing is a go-to choice for critical applications across numerous sectors. With a strong commitment to meeting global standards, Phanuphong Steel guarantees that each product adheres to rigorous quality norms, providing customers with dependable solutions for construction, mechanical systems, and the automotive industry. Their expertise, combined with a vast supply network, positions them as a preferred supplier of carbon steel tubing both domestically and internationally.
**Carbon Steel ASME SA 519 Grade 1019 Tubing** primarily consists of carbon (0.15–0.20%), manganese (0.30–0.60%), phosphorus (max 0.040%), and sulfur (max 0.050%), with iron making up the remainder. This material boasts excellent machinability, toughness, and moderate tensile strength, making it highly versatile for various engineering applications. Mechanically, it offers tensile strength in the range of 415–550 MPa, along with good ductility and hardness that are ideal for shaping and welding. The tubing also exhibits strong wear resistance and maintains stability under different stress conditions, making it perfect for both mechanical and structural tasks.
| Size | : | 10-324mm |
| Thickness | : | 1-30mm |
| Length | : | 14000mm max |
| Type | : | Seamless and Mechanical Austenitic Stainless Steel Tubing for General Service |
| Grades | : | ASTM A519 Tubing, Seamless Tubing, AISI 4130 Tube, Seamless Tube – 1019 |
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
|---|---|---|---|---|---|---|---|---|---|
| 0.15-0.20 | – | 0.70-1.00 | 0.04 | 0.05 | – | – | – | – | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
**Carbon Steel ASME SA 519 Grade 1019 Tubing** is widely utilized in automotive components, machinery parts, and industrial tools thanks to its machinability and toughness. It’s commonly found in shafts, spindles, gears, and fasteners where moderate strength and ductility are crucial. In the construction sector, it serves as a key material for structural frameworks, pipelines, and equipment manufacturing. Its excellent weldability makes it suitable for fabricated structures and pressure applications. Furthermore, the tubing supports precision engineering tasks such as agricultural equipment, general-purpose tools, and mechanical assemblies, striking a reliable balance between strength, machinability, and cost-effectiveness.
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| DIN | EN | BS | NFA | ASTM | ASME |
|---|---|---|---|---|---|
| – | – | – | ASTM A519 Grade 1019 | ASME SA 519 Grade 1019 | – |
Carbon Steel ASME SA 519 Grade 1019 Tubing is used in applications requiring high strength, precision, and improved machinability. It is generally used in hydraulic systems, machinery components, automotive parts, and structural frames. The main industries that employ this tubing include automotive, manufacturing, construction and engineering. Where seamless and durable tubing is required. Its good weldability and stable mechanical properties make it useful for the production of shafts, cylinders and mechanical components, offering reliability under severe operating conditions.





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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