Luke Steel is a top manufacturer and supplier of Alloy Steel F5 Forged Fittings in Houston, USA. These fittings are designed for systems that require exceptional strength, corrosion resistance, and reliability at high temperatures. The chromium-molybdenum composition of F5 ensures outstanding performance in power generation, petrochemical, and refinery applications. With strict manufacturing standards and quality assurance, Luke Steel provides F5 forged components in various configurations, such as elbows, tees, and reducers. Widely trusted across industries, F5 fittings are a top choice for high-pressure and high-temperature pipe systems, delivering long-lasting, leak-free connections in critical operations.
Alloy Steel F5 Forged Fittings contain about 5% chromium and 0.5–1% molybdenum, offering improved resistance to corrosion and creep. They exhibit a tensile strength range of 620–690 MPa, a yield strength of around 415 MPa, and an elongation of 20%. These fittings can handle service temperatures up to 600°C, providing excellent mechanical stability, thermal resistance, and oxidation protection. F5 has good weldability and formability, making it suitable for custom fabrication in high-stress conditions. Its microstructure prevents scaling and structural degradation under fluctuating pressure and heat, maintaining long-term integrity in demanding industrial environments.
| 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 F5 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| Alloy Steel F5 | 275 | 485 | 20 |
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 F5 Forged Fittings are commonly used in high-temperature and high-pressure piping systems, including steam lines, heat exchangers, and refinery infrastructure. They are suitable for power plants, petrochemical facilities, and thermal processing units where corrosion and thermal fatigue are concerns. These fittings ensure safe and leak-free operation of critical systems under recurring thermal stress. Common configurations include socket weld and threaded types, available in various sizes to meet ASME and ANSI specifications. Luke Steel provides precision-forged F5 fittings that perform consistently in harsh environments, reducing maintenance and improving operational safety in demanding industries.
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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