Khawla Flanges is a well-regarded manufacturer and supplier of high-performance Alloy Steel F91 Flanges, proudly based in Muscat, Oman. The company has built a solid reputation for its dedication to precision engineering, quality assurance, and reliability, catering to various industries like power generation, petrochemicals, oil and gas, refineries, and high-temperature processing units. By utilizing cutting-edge manufacturing technologies and adhering to strict international standards, Khawla Flanges produces durable, heat-resistant flanges that excel in demanding environments. With a strong emphasis on customer satisfaction, timely delivery, and technical expertise, the company has become a trusted source for Alloy Steel F91 flange solutions throughout Oman and the Gulf region.
Alloy Steel F91 Flanges are crafted from a chromium-molybdenum-vanadium alloy that includes elements like chromium (8–9.5%), molybdenum (0.9–1.1%), vanadium, carbon, and manganese. This unique composition grants them exceptional creep strength, oxidation resistance, and stability at high temperatures. On the mechanical side, F91 flanges boast impressive tensile and yield strength, remarkable hardness, and excellent thermal fatigue resistance. Their ability to maintain structural integrity under high pressure and extreme heat makes them perfect for critical service applications. Plus, they offer good weldability and long-lasting durability in tough industrial settings.
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/2″ (15 NB) to 48″ (1200NB) |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F91 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 8-10 | 0.9-1.1 |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 380 | 585 | 20 % |
Khawla Flanges, a leading supplier in Muscat, OMAN, offers an extensive selection of Alloy Steel F91 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Alloy Steel F91 Flanges find extensive use in industries that demand outstanding strength and heat resistance. They’re crucial in power plants for high-temperature steam lines, superheaters, boilers, and turbine components. In the petrochemical and refinery sectors, you’ll find them in reactors, catalytic cracking units, heat exchangers, and high-pressure piping systems. Oil and gas processing facilities depend on these flanges for high-temperature transport pipelines and furnace components. They’re also well-suited for various industrial applications, ensuring reliability and performance in challenging environments.
Yes, we offer custom sizes for Alloy Steel F91 Flanges to meet specific project needs. Our team at Khawla Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@khawlaflanges.com.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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