Naing Steel stands as a trusted manufacturer and supplier in the heart of Naypyidaw, Myanmar, dedicated to meeting the rigorous demands of modern industry. We specialize in providing high-performance Alloy Steel F91 Forged Fittings, engineered for exceptional strength and reliability in the most challenging environments. Our commitment lies in delivering precision-crafted components that ensure the integrity and longevity of critical piping systems, supporting the growth and infrastructure development across Myanmar and beyond with unwavering quality and local expertise.
The composition of Alloy Steel F91 is a careful balance, primarily chromium and molybdenum, with a key addition of vanadium. This specific formulation gives the material its remarkable mechanical properties, including an excellent tensile strength and outstanding resistance to creep. These fittings retain their toughness even under sustained high temperatures and intense pressure, making them far more durable than standard carbon steel options. This resilience is essential for systems where failure is not an option.
Designation : ASTM / ASME A182 GR F91 |
Dimensions : ASME 16.11, MSS SP-79,83,95,97,BS 3799 |
Range : 1/8” – 4” (DN6-DN100) |
Types : Socket Weld Fittings, Screwed-Threaded Fittings |
Class : 2000LBS, 3000LBS, 6000LBS |
Form : Elbow 45 Deg & 90 Deg, Tee, Cross, Cap, Full Coupling, Half Coupling, Union, Bushing, Swage Nipple, Plug |
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A182 F91 | 0.08 – 0.12 | 0.3 – 0.6 | 0.5 | 0.01 | 0.02 | 8.5 – 9.5 | 0.85 – 1.05 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A182 F91 | 415 | 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.
The unique strength and temperature resistance of Alloy Steel F91 Forged Fittings make them indispensable in high-stakes industries. You will commonly find them in the powerful steam lines of power generation plants, within demanding petrochemical refineries, and in critical sections of oil and gas pipelines. They are the preferred choice for any application involving high-pressure, high-temperature services, effectively containing aggressive media and ensuring operational safety and continuity where performance is paramount.
Naing 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 Naypyidaw, Myanmar.
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