Majid Fasteners, a top-notch manufacturer and supplier based in Dubai, UAE, proudly presents its premium-quality Monel K500 Nuts. These nuts are specifically crafted to withstand extreme service conditions, offering remarkable corrosion resistance and exceptional mechanical strength. Made from a precipitation-hardened nickel-copper alloy, they excel in resisting seawater, chemicals, and high-temperature environments. Majid Fasteners is committed to precision engineering and adheres strictly to international standards, ensuring that their Monel K500 Nuts are perfect for marine, offshore, chemical processing, oil and gas, as well as pump and valve applications. Renowned for their durability, reliability, and long service life, these nuts provide unparalleled performance in the most demanding industrial settings.
Monel K500 Nuts are crafted from a unique nickel-copper alloy that consists of about 63% nickel, 30% copper, along with trace amounts of aluminum and titanium. These components allow for precipitation hardening, which boosts both strength and hardness when compared to Monel 400. Monel K500 is renowned for its outstanding corrosion resistance, impressive tensile and yield strength, excellent fatigue resistance, and stability in high-temperature and seawater conditions. This alloy remains non-magnetic even at lower temperatures and effectively resists stress corrosion cracking, erosion, and pitting, making it perfect for demanding mechanical and corrosive environments.
| 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. |
Monel K500 Nuts are a go-to choice in industries that demand high-strength fasteners with remarkable corrosion resistance. They’re particularly suited for marine and offshore applications, such as pumps, propeller shafts, seawater valves, and submarine fittings. In the oil and gas sector, these nuts are essential for drilling tools, wellhead components, and high-pressure systems. Chemical processing facilities rely on them for equipment that comes into contact with corrosive acids and alkalis. Additionally, Monel K500 Nuts are utilized in aerospace components, power generation, heat exchangers, and high-performance machinery. Their durability and ability to withstand harsh environments make them a trusted option for long-term critical service.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
