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MUKAU FASTENERS is a reliable manufacturer and supplier located in Kinshasa, Congo, specializing in top-notch Monel K500 Nuts designed for outstanding performance in tough industrial settings. These nuts blend the remarkable corrosion resistance of Monel 400 with enhanced strength and hardness thanks to the addition of aluminum and titanium. MUKAU FASTENERS ensures that their Monel K500 Nuts meet international standards, guaranteeing durability, reliability, and a precise fit. They’re perfect for marine, chemical, and offshore applications where exposure to seawater, acids, and alkalis requires materials that can withstand extreme conditions while maintaining their mechanical integrity.
Monel K500 Nuts are made up of about 63% nickel, 30% copper, 2.3–3.15% aluminum, and 0.35–0.85% titanium, with trace elements that boost their mechanical strength. This nickel-copper alloy showcases impressive tensile strength of up to 960 MPa and a yield strength around 690 MPa. Monel K500 Nuts maintain excellent corrosion resistance, toughness, and fatigue strength, even in subzero and high-temperature environments. They effectively resist stress-corrosion cracking, pitting, and oxidation, making them ideal for high-performance applications in aggressive chemical and marine settings.
| 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 |
| Grade | Monel K500 (UNS N05500) |
| Specifications | ASTM B 865-04 / ASME SB 865-04 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Hexagon Nuts, Self Locking Nut, Square Nuts, Hexagon Coupling Nuts, Hexagon Castle Nuts, Hexagon Domed Cap Nuts, Hexagon Thin NutsHexagon Thin Nuts etc. |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Monel K500 Nuts find their place in various industries that require exceptional strength and corrosion resistance. They’re particularly suited for marine and offshore environments, chemical processing facilities, and oil and gas operations. Common uses include pumps, valves, shafts, pressure vessels, and heat exchangers that come into contact with seawater and chemical solutions. In aerospace and power generation, these nuts ensure reliable fastening under high stress and fluctuating temperatures. Additionally, Monel K500 Nuts are utilized in the pulp and paper, desalination, and defense sectors, providing long-lasting performance in harsh and corrosive environments.
Monel K500 nuts are packed in a way that they do not get damaged in the course of transportation by Mukau Fasteners. Every nut is carefully checked for quality and is then packed in durable and water proof materials. Special packaging services can be provided according to the requirements of the customer, so that the nuts are in the best condition when they are received and can be used immediately.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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