Okoye Nickel Alloys is a reputable manufacturer and supplier of Monel K500 Fasteners based in Kinshasa, Congo. They’re known for delivering high-quality fasteners that boast exceptional strength, corrosion resistance, and durability. These fasteners are meticulously engineered to perform reliably in tough industrial, marine, and chemical settings where high mechanical performance is a must. Okoye Nickel Alloys provides a diverse selection of Monel K500 Fasteners, including bolts, nuts, screws, studs, and washers, all available in various sizes and thread types, and crafted to meet international quality standards. Their products cater to industries such as offshore oil and gas, marine engineering, chemical processing, desalination, and power generation.
Monel K500 Fasteners 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 strength, hardness, and corrosion resistance. This unique composition offers excellent resistance to seawater, alkalis, hydrofluoric acid, and other aggressive substances. The fasteners have a tensile strength of around 880 MPa, a yield strength of 415 MPa, and an elongation of 25%, ensuring outstanding mechanical stability. They maintain toughness, ductility, and dimensional integrity even in high-temperature and corrosive conditions, while also resisting stress corrosion cracking and embrittlement.
| Specifications | ASTM F 467 ASME SF 467 |
|---|---|
| Standard | IS, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Screw Type | Monel K500 Threaded Screw, Hex Head Screw, Socket Head Screw, Socket Set Screw, Blind Rivet, Concrete Screw, Shoulder Screw, Anchor Screw, Panel Screw, Machine Screw etc. |
| Bolts Types | Monel K500 Hex Head Bolts, Hex Bolts, Square Bolts, Eye Bolts, T Bolts, U Bolts, Lag Bolts, Counter sunk Bolts etc. |
| Washer Types | Monel K500 Lock Washer, Machine Washers, Star Washers, Sealing Washer, Split Washer etc. |
| Studs Types | Monel K500 Double Ended Studs, Threaded Tod, Tie Bars, Tie Rodsetc. |
| Nut Types | Monel K500 Coupling Nut, Hex Head Nut, Wing Nut, Square Nut, Panel Nut, T Nut, Acorn Nuts, Dome Nut, Eye Nut, Lock Nut etc. |
| Element | Content (%) |
| Nickel, Ni | 63.0-70.0 |
| Silicon, Si | .50 max |
| Carbon, C | .25 max |
| Sulphur, S | .01 max |
| Copper, Cu | – |
| Iron, Fe | 2.0 max |
| Manganese, Mn | 1.5 max |
| Properties | Metric | Imperial |
| Tensile strength(annealed) | 517-620 MPa | 75-90 ksi |
| Yield strength | 172-345 MPa | 25-50 ksi |
| Modulus of elasticity | 179 GPa | 26000 ksi |
| Poisson’s ratio | 0.32 | 0.32 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel K500 Fasteners 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.
Monel K500 Fasteners are widely utilized in applications that demand high-strength, corrosion-resistant, and durable fastening solutions. They’re perfect for marine and offshore equipment, seawater piping systems, chemical and petrochemical processing plants, desalination systems, heat exchangers, and power generation machinery. These fasteners provide secure, leak-proof, and long-lasting connections in critical industrial and marine environments. With their exceptional mechanical properties, corrosion resistance, and longevity, Monel K500 Fasteners guarantee reliable and maintenance-free performance in even the most demanding applications.