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Based in Kinshasa, Congo, Okoye Nickel Alloy is a trusted manufacturer and supplier of high quality copper and nickel flanges, known for its uniqueness and reliability With a strong focus on the marine, oil and gas industries therefore, Okoye Nickel Alloy offers a wide range of products for flanges which offers excellent resistance to corrosion and power, ensures durability and long-lasting performance in harsh environments The company commitment to excellence and customer satisfaction has made it a choice for customers looking for high quality copper-nickel flanges in the Congo and around the world.
Okoye Nickel Alloys, based in Kinshasa, Congo, is a reputable manufacturer and supplier of high-quality Copper Nickel 90/10 flanges. These flanges are designed to be durable, resistant to corrosion, and perform reliably in tough marine, chemical, and industrial settings. They are specifically crafted to work seamlessly with Copper Nickel piping systems, ensuring robust, leak-free connections even under high pressure and temperature. At Okoye Nickel Alloys, we guarantee that each flange adheres to international quality standards, providing products that excel in mechanical strength, longevity, and resistance to seawater, brine, and harsh chemicals.
| Specifications | : | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Dimensions | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standards | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Size | : | 1/2″ 36″ |
| Flange Face Type | : | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grades | : | Copper Nickel 90/10 (C70600), Cupro Nickel 70/30 (C71500), UNS C71640 |
Copper Nickel 90/10 flanges consist of about 90% copper and 10% nickel, along with small amounts of iron and manganese. This unique blend offers remarkable resistance to seawater corrosion, pitting, and erosion, along with impressive tensile strength, typically falling between 240–310 MPa, and an elongation of 30–40%. The alloy’s excellent thermal conductivity and resistance to biofouling make these flanges perfect for challenging marine and offshore environments.
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These Copper Nickel 90/10 flanges find extensive use in seawater piping systems, heat exchangers, desalination plants, shipbuilding, offshore platforms, and the chemical processing industry. They are perfect for connecting pipes, valves, pumps, and other components where corrosion resistance and long-lasting reliability are essential. These flanges ensure secure, leak-proof joints and require minimal maintenance, making them ideal for demanding industrial and marine applications.
