Aatir Steel, a prominent manufacturer and supplier located in Cairo, Egypt, specializes in top-notch Alloy Steel AISI 4140 Bars, designed for outstanding strength, toughness, and reliability in tough industrial settings. Renowned for their precision manufacturing and commitment to international standards, Aatir Steel guarantees that every AISI 4140 Bar performs consistently well under high-stress, high-temperature, and heavy-load conditions. These bars find extensive use in critical industries like automotive, aerospace, oil and gas, and heavy machinery, where mechanical integrity and long-lasting durability are a must. With a strong emphasis on quality and operational efficiency, Aatir Steel’s AISI 4140 Bars have earned the trust of customers across Egypt and beyond.
The Alloy Steel AISI 4140 Bars from Aatir Steel are crafted from a blend of carbon, chromium, and molybdenum, delivering an ideal mix of strength, hardness, and toughness. They showcase impressive tensile strength, yield strength, and fatigue resistance, making them perfect for high-load and high-stress industrial applications. A controlled heat treatment process boosts their mechanical properties, dimensional stability, and wear resistance, ensuring reliable performance even in challenging environments.
Diameter : 8mm-3000mm
Length : 3,000-10,000mm
Finish : Bright, Polish & Black
Condition : Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form : 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 |
These Alloy Steel AISI 4140 Bars are widely utilized in manufacturing shafts, gears, automotive parts, heavy machinery components, and structural elements that demand superior strength and durability. They are particularly well-suited for applications in oil and gas equipment, construction, industrial machinery, and aerospace components, where resistance to wear, fatigue, and deformation is crucial. Aatir Steel’s AISI 4140 Bars deliver dependable performance, operational efficiency, and long-lasting durability in demanding industrial applications.
Aatir 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 Cairo, Egypt.
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