Luke Steel offers high-quality Alloy Steel F9 Forged Fittings from its Houston manufacturing facility, providing trustworthy solutions for extreme environments. These fittings are designed to provide superior mechanical strength, creep resistance, and thermal stability at high temperatures. With a chromium-rich composition, F9 forged fittings are suitable for power plants, high-pressure steam lines, and petrochemical systems. Luke Steel focuses on quality control, accurate forging processes, and material traceability, ensuring each component meets industry standards. Known for durability and efficiency, Alloy Steel F9 Fittings are relied upon by engineers for critical piping systems exposed to high thermal loads and cyclic pressure.
Alloy Steel F9 Forged Fittings consist of about 9% chromium and 1% molybdenum, providing excellent heat resistance, mechanical strength, and oxidation stability. The fittings yield a tensile strength of 690–860 MPa, yield strength around 520 MPa, and an elongation of 18–22%. Designed for temperatures up to 620°C, F9 maintains its dimensions under high-pressure operations. The alloy’s fine grain structure increases toughness and fatigue resistance, and its weldability supports complex pipe networks. These properties make F9 suitable for use in environments facing extreme thermal gradients and prolonged mechanical stress.
| Specifications | ASTM A182 & ASME SA182 |
| Dimensions | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Size | 1/8” NB to 4” NB (Socketweld & Screwed-Threaded) |
| Type | Socketweld Fittings, Screwed-Threaded Fittings |
| Class | 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F9 | 0.15 max | 0.3-0.6 | 0.5 – 1 | 0.03 | 0.03 | 8 – 10 | 0.9 – 1.1 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| Alloy Steel F9 | 380 | 585 | 20 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
F9 Forged Fittings are used in high-temperature steam systems, turbine piping, heat recovery units, and petrochemical reactors. Their excellent resistance to oxidation and pressure cycling makes them suitable for nuclear, thermal power, and refining operations. These fittings promise a long service life and a reduced risk of leaks or failures in vital infrastructure. Common configurations include elbows, couplings, and unions for easy integration into critical piping networks. Luke Steel offers tailored dimensions and machining services, ensuring optimal performance in complex engineering setups where strength and thermal endurance are crucial for safe and efficient operation.
Luke 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 Houstan, USA.
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