In the heart of Nigeria’s vibrant capital, Abuja, Samuel Steels has built a reputation for unwavering reliability in the industrial supply sector. We take pride in being your trusted local source for specialized materials, particularly the high-performance Alloy Steel F911 Bars. Our commitment is to support the growth of Abuja’s industries by providing not just products, but dependable partnerships backed by deep technical knowledge and a focus on meeting your specific project demands with precision and integrity.
The composition of Alloy Steel F911 is engineered for resilience, primarily blending chromium, molybdenum, and vanadium. This specific combination gives the bars exceptional strength and the ability to perform under intense pressure and high temperatures. You can count on them to maintain their structural integrity, offering superior creep resistance and toughness that meets the rigorous demands of challenging environments where ordinary steels would falter.
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 environments where failure is not an option. You’ll typically find Alloy Steel F911 Bars at the core of critical power generation equipment, such as high-pressure steam piping and superheater tubes in power plants. They are also perfectly suited for heavy-duty industrial applications, including high-temperature pressure vessels and vital components in petrochemical refineries, where their durability ensures long-lasting, safe, and efficient operation under the most strenuous conditions.
Samuel 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 Abuja, Nigeria.
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