Nestled in the heart of Manama’s industrial landscape, Ahmer Steel stands as a trusted name for specialized steel solutions. We take pride in being your dependable partner for Alloy Steel F911 Bars, offering a reliable supply of this high-performance material directly from Bahrain. Our commitment is to support the robust demands of regional industries with products that meet rigorous international standards, ensuring your projects benefit from both superior quality and the convenience of a local, expert supplier.
The strength of Alloy Steel F911 Bars stems from a carefully balanced composition, primarily chromium, molybdenum, and vanadium. This specific blend gives the bars exceptional mechanical properties, including high tensile strength and outstanding resistance to creep. They are engineered to perform reliably under extreme pressure and at elevated temperatures, maintaining their structural integrity in demanding environments where other materials might fail. This makes them a go-to choice for critical, high-stress applications.
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 bars are essential in sectors where failure is not an option. You’ll find Alloy Steel F911 Bars at the core of power generation plants, forming crucial components in high-pressure piping and superheater tubes. They are equally vital in the petrochemical industry for refinery fittings and in heavy engineering for high-temperature pressure vessels. Essentially, any application that demands unwavering strength and durability under severe thermal and mechanical stress relies on the proven performance of this advanced alloy steel.
Ahmer 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 Manama, Bahrain.
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