Supachok Flanges, a reputable manufacturer and supplier based in Bangkok, Thailand, is dedicated to crafting top-notch Alloy Steel F91 Flanges for industries that rely on high-performance piping components. These flanges are celebrated for their remarkable strength, durability, and ability to withstand extreme pressure and temperature, making them essential in critical sectors like power plants, oil and gas, chemical processing, and refineries. With cutting-edge manufacturing facilities and a commitment to international quality standards, Supachok Flanges guarantees reliable, precise, and long-lasting Alloy Steel F91 Flanges, designed to meet a variety of industrial needs while enhancing safety, efficiency, and productivity in challenging environments.
Alloy Steel F91 Flanges are made up of chromium (8–9.5%), molybdenum (0.85–1.05%), vanadium (0.18–0.25%), along with controlled amounts of carbon and manganese. This specific blend gives them excellent creep strength, high-temperature resistance, and enhanced corrosion resistance. On a mechanical level, F91 flanges showcase outstanding tensile strength, yield strength, and hardness, ensuring they can handle the rigors of thermal cycling and pressure fluctuations. Their toughness, wear resistance, and ability to maintain mechanical integrity at high temperatures make Alloy Steel F91 Flanges perfect for demanding high-pressure and high-temperature applications.
| 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 % |
Supachok Flanges, a leading supplier in Bangkok, Thailand, 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.
These flanges are widely utilized in industries that require reliable performance under harsh conditions. In power generation, they find their place in boilers, superheaters, steam lines, and turbines. The oil and gas industry uses them in high-pressure pipelines, refineries, and offshore platforms. Chemical and petrochemical facilities incorporate them into reactors, furnaces, and heat exchangers. Their exceptional capacity to endure creep, oxidation, and thermal stress makes them vital for sectors where reliability, efficiency, and safety are paramount, ensuring seamless operations even in the most extreme working conditions.
Yes, we offer custom sizes for Alloy Steel F91 Flanges to meet specific project needs. Our team at Supachok Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@supachokflanges.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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