Okoye Nickel Alloys is a reputable manufacturer and supplier of Monel K500 Flanges based in Kinshasa, Congo. They’re known for producing top-notch flanges that boast remarkable strength, corrosion resistance, and durability. Each flange is precision-engineered to deliver reliable performance, even in the toughest industrial, marine, and chemical settings. Okoye Nickel Alloys provides a variety of Monel K500 Flanges, including weld neck, slip-on, socket weld, threaded, and blind flanges, all crafted to meet international quality standards. Their clientele spans industries such as offshore oil and gas, marine engineering, chemical processing, desalination, and power generation, ensuring they deliver secure and long-lasting piping solutions.
The Monel K500 Flanges are primarily made from a nickel-copper alloy, typically containing 63% nickel and 28–34% copper, with small amounts of aluminum and titanium added to boost mechanical strength, hardness, and corrosion resistance. This alloy is particularly effective against seawater, alkalis, hydrofluoric acid, and other corrosive substances. Monel K500 Flanges have impressive mechanical properties, featuring a tensile strength of around 880 MPa, a yield strength of 415 MPa, and an elongation of 25%, which guarantees superior stability. They maintain toughness, ductility, and dimensional integrity even at high temperatures, while also resisting stress corrosion cracking and embrittlement.
| Size | : | 1/8″ NB TO 48″NB. |
| Range | : | 15 NB to 300 NB |
| Specification | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Standards | : | ASTM / ASME SB 564 / 160 / 472 |
| Class | : | 150#, 300#, 600#, 900#, 1500#, 2500#. PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Grades | : | Monel 400 (UNS No. N04400), Monel K500 (UNS No. N05500). |
| Monel K500 | Ni | Fe | C | Mn | Si | Cu | Al | Ti | S |
| 63.0 min | 05 – 2 | 0.25 max | 1.5 max | 0.5 max | 27.0 – 33.0 | 2.3 – 3.15 | 0.35 – 0.85 | 0.010 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 1,60,000 , MPa – 1100 | Psi – 1,15,000 , MPa – 790 | 20 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel K500 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 widely utilized in situations that require connections that are both corrosion-resistant and high-strength. They’re perfect for marine and offshore piping systems, chemical and petrochemical processing equipment, desalination plants, heat exchangers, and power generation machinery. Monel K500 Flanges ensure secure, leak-proof, and durable joints in environments that are exposed to seawater, brine, and other aggressive substances. With their outstanding mechanical properties, corrosion resistance, and longevity, these flanges promise reliable, maintenance-free performance in critical industrial and marine applications.