Operating from the industrial heart of Amman, Jordan, Yazan Steel has established itself as a trusted partner in the supply of high-performance metals. Our commitment to excellence is perfectly embodied in our Alloy Steel F911 Bars, a product engineered for the most demanding conditions. We specialize in sourcing and supplying these superior bars, offering clients a reliable and robust solution for critical applications where failure is not an option. Our focus is on delivering exceptional quality that meets the rigorous standards of modern heavy industry.
The strength of Alloy Steel F911 lies in its sophisticated chemical recipe, which includes chromium, molybdenum, and vanadium. This specific combination is carefully balanced to produce exceptional mechanical properties, giving the bars remarkable tensile strength and outstanding resistance to creep. It can maintain its integrity and performance under extreme temperatures and high-pressure environments, making it far more resilient than standard carbon steels. This ability to endure such stress is what sets this material apart as a premium choice.
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 the backbone of critical infrastructure within power generation and heavy engineering. You will find Alloy Steel F911 Bars playing a vital role in the construction of high-temperature boilers, superheaters, and steam piping systems in power plants. Their resistance to pressure and heat also makes them indispensable for components in the petrochemical industry, such as pressure vessels and heat exchangers. Essentially, they are selected for any application where long-term reliability under thermal and mechanical stress is an absolute necessity.
Yazan 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 Amman, Jordan.
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