Phanuphong Steel and Plates, a top-notch manufacturer and supplier based in Bangkok, Thailand, is well-known for its high-quality AISI 4130 tubing, celebrated for its incredible strength and versatility. With a strong focus on precision and durability, Phanuphong Steel guarantees that every piece of tubing meets strict industry standards, making it perfect for both industrial and structural uses. Their deep expertise in alloy steel processing, paired with cutting-edge manufacturing techniques, enables them to deliver tubing that consistently performs well, ensuring reliability and longevity. Customers from the automotive, aerospace, and heavy machinery industries rely on Phanuphong Steel for their AISI 4130 tubing needs, which helps ensure efficiency and safety in every project.
AISI 4130 tubing is an alloy steel primarily made of iron, with chromium (0.8–1.1%), molybdenum (0.15–0.25%), and a low carbon content (0.28–0.33%). This unique blend offers an impressive balance of strength, toughness, and hardenability. It boasts excellent fatigue resistance, weldability, and machinability, making it a great choice for critical applications. Its mechanical properties include a tensile strength of about 560–700 MPa, yield strength around 460–560 MPa, and an elongation of 20–25%. When heat-treated, AISI 4130 tubing achieves greater hardness and improved mechanical performance, maintaining its structural integrity even under high stress and varying environmental conditions.
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | EN | JIS | BS | GOST |
| AISI 4130 | 1.7218 | G41300 | – | 25CrMo4 | JIS G4105 | BS 970 | – |
| AISI 4130 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| 0.50 max | 0.28-0.33 | 0.15-0.25 | 0.40-0.60 | 0.15-0.35 | 97.3-98.22 | – | 0.025 MAX | 0.035 MAX | 0.80-1.10 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 0.28 | 2580 | 460 MPa | 560 MPa | 20 % |
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 leading manufacturer and distributor of high-quality AISI 4130 Tubing in Bangkok, Thailand. We provide premium steel materials and a wide range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our extensive inventory features Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Dedicated to timely delivery and outstanding customer service, we source the finest raw materials to ensure superior strength and performance in demanding industrial applications. Contact us today for all your AISI 4130 Tubing requirements!
AISI 4130 tubing is widely used in automotive roll cages, aerospace components, hydraulic systems, and oilfield equipment, thanks to its high strength-to-weight ratio and fatigue resistance. It’s commonly found in structural frameworks, pressure vessels, and machinery that require precise tolerances and durability under dynamic loads. The tubing’s versatility makes it perfect for custom fabrication, high-performance sports equipment, and industrial pipelines where safety, reliability, and a long service life are essential. Its combination of toughness, weldability, and machinability ensures it meets the demands of various 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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