Okoye Nickel Alloys is a reliable manufacturer and supplier of Incoloy 825 Flanges based in Kinshasa, Congo. They offer top-notch flanges that are celebrated for their outstanding corrosion resistance, impressive strength, and long-lasting durability. Crafted with precision from high-grade Incoloy 825 alloy, these flanges are designed to perform reliably in tough environments, including chemical, industrial, marine, and offshore settings. Okoye Nickel Alloys has a diverse selection of Incoloy 825 Flanges, such as weld neck, slip-on, blind, and threaded options, all produced to meet international quality standards. Their clientele spans various industries, including chemical processing, oil and gas, power generation, marine engineering, and wastewater treatment.
Incoloy 825 Flanges are mainly made from a nickel-iron-chromium alloy, enhanced with molybdenum, copper, and titanium to boost mechanical strength, corrosion resistance, and stability at high temperatures. This unique composition offers excellent protection against oxidizing and reducing acids, environments with chlorides, and stress corrosion cracking. With a tensile strength ranging from about 690 to 830 MPa and a yield strength between 275 and 380 MPa, these flanges also boast good ductility, ensuring they remain tough, stable, and reliable even under extreme conditions.
Specifications : ASTM B 564 / ASME SB 564
Dimensions : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Standards : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc.
Size : 1/2″ to 36″
Pressure Rating : Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
| C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti | |
| Incoloy | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | |
| Incoloy Flanges | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Incoloy 825 Flanges in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
These flanges are commonly used in situations that demand corrosion-resistant, heat-tolerant, and durable piping connections. They’re perfect for chemical and petrochemical plants, oil refineries, heat exchangers, power plants, offshore and marine systems, and wastewater treatment facilities. Incoloy 825 Flanges provide secure, leak-proof, and long-lasting connections in environments that face acids, salts, high pressures, and elevated temperatures. Thanks to their exceptional mechanical properties, corrosion resistance, and longevity, these flanges guarantee dependable, maintenance-free performance in critical industrial, marine, and chemical processing applications.