Chetan Steel, based in Delhi, is a trusted manufacturer and supplier of high-quality alloy steel products for diverse industrial applications. With years of experience and a strong focus on precision and consistency, the company delivers materials that meet strict engineering standards. One of its most popular offerings is the Alloy Steel AISI 4140 Bar, known for its excellent strength, toughness, and versatility. Manufactured under rigorous quality control and advanced processing methods, these bars ensure reliable performance and long service life. Chetan Steel’s commitment to quality makes it a preferred choice across India.
Alloy Steel AISI 4140 Bar is a chromium-molybdenum alloy steel that offers a balanced combination of strength, hardness, and toughness. Chromium improves wear resistance and hardenability, while molybdenum enhances high-temperature strength and fatigue resistance. These bars exhibit good tensile strength, impact resistance, and machinability. With proper heat treatment, AISI 4140 bars achieve improved mechanical performance, making them suitable for medium to high-stress applications requiring durability and reliable structural integrity.
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 |
Alloy Steel AISI 4140 Bars are widely used in applications that demand strength and toughness. Common uses include shafts, gears, bolts, studs, crankshafts, axles, and heavy-duty fasteners. They are also extensively used in automotive, oil and gas, construction, and machinery manufacturing industries. These bars perform well under dynamic loads and moderate heat, making them ideal for structural and mechanical components. Preferred by engineers and manufacturers, Alloy Steel AISI 4140 Bars deliver dependable performance, long service life, and versatility across demanding industrial applications.
Chetan 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 Delhi, India.
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