Filiz Steel, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of premium steel products, with a focus on alloy bars and industrial components. One of their standout products is the Alloy Steel AISI 4140 Bar, designed to offer remarkable strength, toughness, and reliability for tough applications. Crafted with cutting-edge manufacturing techniques and strict quality control, these bars comply with international standards for both mechanical and chemical performance. With Filiz Steel’s expertise, every Alloy Steel AISI 4140 Bar guarantees consistent and reliable performance, making it perfect for sectors like automotive, machinery, oil and gas, and heavy industry, where durable, high-performance materials are a must.
These Alloy Steel AISI 4140 Bars are made from high-quality alloy steel that includes carbon, chromium, and molybdenum, which together provide outstanding tensile strength, hardness, and toughness. They undergo careful heat treatment to boost fatigue resistance, wear resistance, and dimensional stability, ensuring they perform reliably under heavy loads and high-stress situations. With uniform mechanical properties, including impressive yield and tensile strength, these bars maintain their structural integrity and long-lasting durability in critical industrial applications. Filiz Steel’s attention to detail in production ensures consistent quality, making these bars ideal for precision engineering and demanding manufacturing tasks.
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 |
Filiz Steel’s Alloy Steel AISI 4140 Bars find extensive use in automotive components, shafts, gears, crankshafts, heavy machinery, and industrial equipment that require high-strength, durable materials. They excel in resisting wear, impact, and fatigue, ensuring dependable performance in high-stress and continuous-operation settings. Additionally, these bars are utilized in the oil and gas, aerospace, and manufacturing industries for crafting essential mechanical components that require precision, toughness, and longevity. Filiz Steel is committed to ensuring that each Alloy Steel AISI 4140 Bar meets these high standards.
Filiz 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 Istanbul, Turkey.
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