Operating from the heart of Muscat, Faisal Steel has built a strong reputation as a trusted manufacturer and supplier, particularly known for its high-performance materials. Their Alloy Steel F911 Bars represent a prime example of their commitment to quality and durability. These bars are engineered to withstand some of the most challenging industrial environments, offering a dependable solution for projects where strength and resilience under extreme pressure and temperature are not just beneficial, but absolutely essential for long-term success and safety.
Alloy Steel F911 is carefully formulated, primarily with chromium and molybdenum for high-temperature strength, along with vanadium for added toughness. This specific composition grants it exceptional mechanical properties, including high tensile strength and impressive creep resistance. This means the material can handle sustained stress at elevated temperatures without deforming, making it a reliable choice where ordinary steels would fail. It maintains its structural integrity even when pushed to its operational limits.
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.
The remarkable heat resistance of these bars makes them indispensable in the energy sector, particularly within the high-pressure piping systems of power generation plants. You’ll also find them serving critical roles in petroleum refineries, chemical processing equipment, and high-temperature pressure vessels. Essentially, any application demanding a material that won’t falter under intense heat and constant stress is an ideal use for F911 bars, ensuring the safety and efficiency of complex industrial operations.
FAISAL 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 Muscat, OMAN.
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