Aatir Steel, a prominent manufacturer and supplier located in Cairo, Egypt, is all about crafting top-notch Alloy Steel F911 Bars. These bars are engineered for outstanding strength, durability, and performance, especially in tough industrial settings. With a reputation for precision manufacturing and a commitment to international standards, Aatir Steel guarantees that every F911 Bar performs reliably, even under high-stress, high-temperature, and heavy-load conditions. They’re perfect for critical applications in sectors like power generation, petrochemicals, oil and gas, and heavy machinery, where mechanical integrity and long-lasting durability are a must. Thanks to their focus on quality and operational efficiency, Aatir Steel’s Alloy Steel F911 Bars have earned the trust of customers across Egypt and beyond.
The Alloy Steel F911 Bars from Aatir Steel are made from a blend of carbon, chromium, molybdenum, and vanadium, creating the perfect mix of strength, hardness, and toughness. They boast impressive tensile strength, yield strength, and fatigue resistance, making them ideal for high-load, high-stress, and high-temperature industrial applications. A precision heat treatment process further enhances their mechanical properties, dimensional stability, and wear resistance, ensuring they perform reliably in demanding 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 Symbol | UNS Number | Alloy | Elements | Composition % |
|---|---|---|---|---|
| F911 | K91061 | 9% chromium, 1% molybdenum, 0.2% vanadium plus columbium and nitrogen | Carbon | 0.09 – 0.13 |
| Manganese | 0.30 – 0.60 | |||
| Phosphorus | 0.020 max | |||
| Sulfur | 0.010 max | |||
| Silicon | 0.10 – 0.50 | |||
| Nickel | 0.40 max | |||
| Chromium | 8.5 – 9.5 | |||
| Molybdenum | 0.90 – 1.10 | |||
| Columbium | 0.060 – 0.10 | |||
| Tungsten | 0.90 – 1.10 | |||
| Aluminium | 0.02 max | |||
| Nitrogen | 0.04 – 0.09 | |||
| Vanadium | 0.18–0.25 | |||
| Boron | 0.0003 – 0.006 | |||
| Titanium | 0.01 max | |||
| Zirconium | 0.01 max |
| Property | Value |
|---|---|
| Tensile Strength, min, ksi [MPa] | 90 [620] |
| Yield Strength, min, ksi [MPa] | 64 [440] |
| Elongation in 2 in. [50mm] or 4D, min, % | 18 |
| Reduction or Area, min, % | 40 |
| Brinell Hardness Number, HBW | 187-248 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
These Alloy Steel F911 Bars are commonly used in the production of shafts, gears, heavy machinery components, pressure vessels, and structural elements that require exceptional strength and durability. They’re particularly suited for applications in power generation, petrochemical facilities, oil and gas equipment, and industrial machinery, where resistance to wear, fatigue, and thermal stress is crucial. Aatir Steel’s F911 Bars deliver dependable performance, long-term reliability, and operational efficiency, even in the most challenging 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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