For companies in Addis Ababa and across Ethiopia powering the nation’s growth, Desta Steel is a trusted source for high-performance materials. We specialize in supplying robust Alloy Steel F911 Bars, engineered to meet the rigorous demands of critical infrastructure and industrial projects. Our commitment is to provide not just a product, but a reliable partnership, ensuring your operations benefit from materials that deliver exceptional strength and longevity under the most challenging conditions.
The composition of Alloy Steel F911 Bars is carefully balanced to create a superior material. It incorporates chromium and molybdenum for strength and resistance, with a precise addition of vanadium for enhanced toughness. This specific combination results in outstanding mechanical properties, including very high tensile strength and excellent creep resistance. This means the bars can withstand intense pressure and extreme temperatures over long periods without deforming, which is essential for safety and durability.
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 specifically chosen for applications where failure is not an option. You will find Alloy Steel F911 Bars at the heart of power generation, forming essential components in high-temperature piping systems and boilers within thermal power plants. They are also vital in the petrochemical industry for constructing reactors and pressure vessels that handle corrosive substances. Essentially, they are the backbone of any project requiring a material that won’t falter under immense heat and stress, ensuring the integrity and safety of the entire structure.
Desta 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 Addis Ababa, Ethiopia.
Copyright 2025 Desta Steel. All rights reserved
