Filiz Steel is a well-respected manufacturer and supplier located in Istanbul, Turkey, known for its top-notch alloy steel products, including Alloy Steel F911 Bars. With decades of experience under their belt, Filiz Steel has built a solid reputation for providing precision-engineered materials that adhere to strict international standards. They cater to a diverse global clientele across various industries, delivering robust and reliable solutions designed for demanding applications. With a strong commitment to quality, innovation, and customer satisfaction, Filiz Steel employs advanced manufacturing techniques and rigorous quality control to guarantee the highest performance and durability in their Alloy Steel F911 Bars, making them a trusted partner around the world.
Alloy Steel F911 Bars are primarily made up of chromium (9%), molybdenum (1%), and vanadium (0.25%), along with balanced amounts of carbon, manganese, silicon, phosphorus, sulfur, and nickel. This unique blend provides excellent creep strength and oxidation resistance. In terms of mechanical properties, F911 bars boast a tensile strength of about 585 MPa, a yield strength of roughly 415 MPa, and an elongation of 20%. This steel is specifically designed to endure high-pressure and high-temperature conditions, maintaining its structural integrity over extended service periods. These characteristics make F911 a dependable choice for applications that demand superior mechanical and thermal performance.
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.
Alloy Steel F911 Bars find extensive use in high-temperature and high-pressure settings, especially within the power generation and petrochemical sectors. Typical applications include superheater tubes, boiler components, headers, and steam piping in both thermal and nuclear power plants. Their exceptional mechanical strength and resistance to thermal fatigue, creep, and oxidation render them perfect for long-term use in critical systems. Additionally, F911 bars are utilized in refineries and process plants where corrosive environments are common. Their reliability and durability help minimize maintenance requirements and boost operational safety, making them a favored material for various applications.
Filiz 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 Istanbul, Turkey.
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