Alloy Steel F9 Bars are top-notch chromium-molybdenum alloy steel bars crafted for situations that demand outstanding strength, toughness, and the ability to withstand high temperatures. These bars are produced using cutting-edge forging and rolling techniques, resulting in consistent dimensions, a refined grain structure, and a superior surface finish. They meet international standards, making them perfect for critical roles in power generation, petrochemical, and heavy engineering sectors where reliability, durability, and long-lasting performance at moderate to high temperatures are crucial.
Alloy Steel F9 bar (ASTM A182 F9) is a chromium-molybdenum alloy steel, normally made up of 9% chromium and 1% molybdenum. Its composition improves strength, toughness, and high temperature oxidation resistance. It has good mechanical properties such as high tensile strength, good creep resistance, and satisfactory weldability, and thus is particularly suitable for high pressure and temperature applications. Advantages are enhanced corrosion resistance, thermal fatigue resistance, and high strength at elevated temperature conditions, typically utilized in the power generation and chemical industries.
| 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.
The chemical makeup of Alloy Steel F9 Bars features carbon, chromium, molybdenum, manganese, and trace amounts of silicon. This blend boosts their tensile and yield strength, hardness, and resistance to oxidation and thermal fatigue. Mechanically, F9 bars shine with excellent impact resistance, ductility, and stability in high-temperature conditions. Heat treatment methods like quenching and tempering further enhance their hardness, toughness, and structural integrity, ensuring they perform consistently in demanding industrial settings.
You’ll often find Alloy Steel F9 Bars in the construction of pressure vessels, boilers, steam pipelines, turbine components, and other high-temperature industrial machinery. They’re particularly suited for thermal power plants, petrochemical facilities, and industries that need materials to maintain their strength, toughness, and stability even under prolonged exposure to high temperatures and moderate pressure. Their blend of durability, mechanical performance, and reliability makes them a go-to choice for critical engineering applications.
Chetak 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 Hyderabad, India.
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