Yousef Steel stands out as a top manufacturer and supplier in Riyadh, Saudi Arabia, specializing in high-quality Alloy Steel AISI 4140 Bars that are perfect for tough industrial and engineering tasks. These bars are well-known for their remarkable strength, toughness, and resistance to wear, making them a go-to choice in industries like automotive, aerospace, oil & gas, and heavy machinery. Crafted to meet international standards, Alloy Steel AISI 4140 Bars guarantee precise dimensions, a uniform microstructure, and consistent mechanical performance, delivering dependable solutions for critical applications that demand durability and high performance.
Alloy Steel AISI 4140 Bar is a chromium-molybdenum steel having strength and toughness. Its content consists of 0.38-0.43% Carbon, 0.75-1.00% Manganese, 0.80-1.10% Chromium, 0.15-0.25% Molybdenum, and trace. It has very good mechanical properties, tensile strength of 850-1000 MPa, yield strength of 650-850 MPa, and elongation of 20%. The bar exhibits good wear resistance, impact toughness, and can be heat-treated for improved performance. Extensively found in shafts, gears, and machinery, AISI 4140 assures reliability and stability in heavy duty industrial applications.
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 find extensive use in the production of shafts, gears, bolts, crankshafts, heavy-duty machinery components, and high-strength structural parts. They excel in applications that face high stress, torque, and wear, particularly in automotive and industrial machinery. With their outstanding mechanical properties, durability, and toughness, Alloy Steel AISI 4140 Bars ensure reliable and long-lasting performance, promoting operational efficiency and safety in demanding industrial settings.
Yousef 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 Riyadh, Saudi Arabia.
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