Alloy Steel F9 bars are robust, heat-resistant materials crafted from ASTM A182 Grade F9 alloy steel. These bars find their place in industries that require top-notch mechanical performance, especially under high-temperature and high-pressure scenarios, such as power generation, petrochemicals, oil and gas, and refineries. Grade F9 is a chromium-molybdenum alloy (9Cr-1Mo) that strikes a perfect balance between strength, hardness, and resistance to corrosion. They come in various shapes—round, square, hex, and flat—and are commonly used for forging, machining, and creating components like shafts, flanges, fittings, valves, and pressure parts.
The chemical makeup of Alloy Steel F9 generally consists of 8–10% chromium, 0.9–1.1% molybdenum, and a low carbon content of about 0.15%. These elements work together to enhance resistance against oxidation, creep, and corrosion at high temperatures. Typically, the bars undergo normalization and tempering processes to refine their grain structure and boost mechanical performance. They boast impressive mechanical properties, including a minimum tensile strength of 585 MPa and a yield strength of 415 MPa, along with good impact resistance. Even after prolonged exposure to thermal cycling, the alloy maintains its structural integrity and mechanical stability, making it ideal for high-temperature applications.
| Steel Round Bars type | F9 Round bars Die Steel Bar |
|---|---|
| Spring steel | 65Mn, 1566, 60Si2Mn, 9260, etc. |
| Standards | ASTM A689, JIS G4801, DIN 17221, GB/T 18254, ASTM A295, JIS G4805, etc. |
| Cold heading steel | ML25, ML35, etc. |
| Alloy structural steel | 40CrNiMo, SAE4330, 42CrMo, 15Cr2Ni2, 40CrNi2Mo, 35CrMoV,12Cr1MoV, ASTM4130, SCM420, 40CrV, etc. |
| Bearing steel | GCr15, SAE52100, GCr15SiMn, 100CrMnSi6-4, SJU2, etc. |
| Available Material Grade | 42CrMo4/SCM440/AISI 4140/DIN 1.7225, 4130 / 1.7218, 4140 / 1.7225, 4340 / 1.6582, 5140 / 1.7035, 8620 / 1.6523, EN19 / EN24H13 alloy steel round bar, 42 Crmo4 Alloy Steel Round Bar, AISI 4140 alloy steel round bar , 42CrMo4 alloy steel rods
|
| Military steel | 20Cr2Ni4A, 18Cr2Ni4WA, 23CrNiMo7-4-7, etc. |
| F9 Round bars Diameter | 5mm-500mm (Customized size is acceptable) |
| F9 Round bars Length | 1m-9m or according to the customer’s requirement. |
| F9 Round bars Range | Range – 3.17mm to 350mm dia |
| F9 Round bars Technique | Forged/Hot Rolled/Cold Drawn/Peeled |
| F9 Round bars Surface | bright round bar, pickled round bar, black round bar |
| F9 Round bars Type | Round bar, rod, square bar, flat bar, hexagon bar, angle bar, channel bar, threaded bar |
| Package Details | Standard seaworthy package(wooden boxes package, pvc package, or other package) |
| Other processing service | Hot dipped Galvanized, pre-galvanized, Color painting,coated, cutting, bending,punching |
| Test Certificate | Mill Test Certificate as per EN 10204 / 3.1B |
| Grade | C | Mn | P | S | Si | Ni | Ch | Mo | Cb |
|---|---|---|---|---|---|---|---|---|---|
| F9 | 0.15 | 0.30-0.60 | 0.030 | 0.030 | 0.50-1.00 | – | 8.0-10.0 | 0.90-1.10 | – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| F9 | 585 | 380 | 20 | – | 179-217 |
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| Alloy Steel F9 | K90941 | 1.7386 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Filiz Steel is a top manufacturer and supplier of high-quality Alloy Steel F9 Bars products in Istanbul, Turkey. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
Alloy Steel F9 bars are mainly utilized in components for high-temperature boilers, heat exchangers, pressure vessels, and piping systems. In power plants, you’ll often find them in superheater tubes, headers, and steam piping, thanks to their outstanding thermal and mechanical properties. In the oil and gas sector, F9 bars are machined into essential components like valve bodies and connectors that need to withstand harsh environments. Their unique combination of toughness, temperature resistance, and machinability makes Alloy Steel F9 bars a go-to choice for fabricators and engineers working on heavy-duty industrial projects.
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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