Dang Steel, a prominent manufacturer and supplier based in Da Nang, Vietnam, is all about delivering top-notch Alloy Steel AISI 4140 Bars. These bars are celebrated for their exceptional strength, toughness, and versatility, crafted under strict quality standards to align with international specifications. At Dang Steel, precision engineering and consistent mechanical properties are a priority, making AISI 4140 Bars a dependable choice for critical industrial applications. They’re widely utilized in sectors like power generation, automotive, construction, and oil and gas, offering long-lasting performance, outstanding wear resistance, and the durability needed for heavy-duty machinery and structural components.
The composition of Alloy Steel AISI 4140 Bars includes chromium, molybdenum, manganese, and carbon, which together provide remarkable mechanical strength, toughness, and hardenability. These bars boast high tensile and yield strength, good fatigue resistance, and superior wear and abrasion resistance. They also maintain stability at elevated temperatures and show reliable resistance to corrosion and stress. With a well-balanced mix of hardness, ductility, and impact strength, Alloy Steel AISI 4140 Bars are perfect for applications that demand strength, durability, and dependable performance under high-stress conditions.
Diameter :Â 8mm-3000mm
Length :Â 3,000-10,000mm
Finish :Â Bright, Polish & Black
Condition :Â Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form :Â Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
| Grade | C | Cr | Si | S | Mn | P | Mo | |
| AISI 4140 | min. | 0.38 | 0.8 | 0.15 | – | 0.75 | – | 0.15 |
| max. | 0.43 | 1.10 | 0.35 | 0.04 | 1.00 | 0.04 | 0.25 | |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min | Hardness |
| AISI 4140 | 855 | 20 | 621 | 197 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | UNS | WERKSTOFF NR. |
| AISI 4140 | G41400 | 1.7225 |
In industries that require robust and high-strength materials, Alloy Steel AISI 4140 Bars are a go-to choice. They’re commonly used in the production of shafts, gears, bolts, axles, machinery components, and structural parts. In the automotive world, you’ll find them in drive shafts, crankshafts, and heavy-duty fasteners. These bars are also ideal for oil and gas equipment, construction machinery, and power generation systems, where durability and resistance to wear and stress are essential. With their excellent mechanical properties and long-term reliability, Alloy Steel AISI 4140 Bars ensure safe, efficient, and high-performance operations across a broad spectrum of industrial applications.
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.
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