Majid Fasteners, a top-notch manufacturer and supplier based in Dubai, UAE, specializes in high-quality Monel Nuts designed to withstand tough industrial environments. These nuts are made from advanced nickel-copper alloys, offering remarkable resistance to corrosion, seawater, and various chemicals. With a commitment to precision manufacturing, rigorous quality control, and compliance with international standards, Majid Fasteners ensures that their Monel Nuts are dependable for critical applications. Perfect for the marine, offshore, chemical, and petrochemical sectors, these nuts promise long-lasting durability, impressive mechanical strength, and exceptional performance even in extreme temperatures, high pressures, and corrosive settings.
Monel Nuts are crafted from nickel-copper alloys like Monel 400 and Monel K500, typically featuring about 63% nickel, 28–34% copper, along with trace amounts of iron, manganese, and silicon. This unique blend provides outstanding resistance to seawater, acids, alkalis, and other corrosive substances. On the mechanical side, Monel Nuts boast high tensile strength, good ductility, and impressive toughness across a range of temperatures. Monel K500 nuts, in particular, offer enhanced hardness and strength thanks to age hardening. They stand up well against pitting, stress-corrosion cracking, and erosion, making them a dependable choice for demanding industrial settings.
Element | Content (%) |
Nickel, Ni | 63.00 min |
Silicon, Si | 0.5 max |
Carbon, C | 0.3 max |
Sulphur, S | 0.024 |
Copper, Cu | 28-34 |
Iron, Fe | 2.5 max |
Manganese, Mn | 2 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 |
Material | Specification | Standards | Size | Length |
Monel Nuts | IS BS ASTM | ASTM F467 | 3 mm to 200 mm | M02 to M33 |
Monel Nuts find their place in various industries that require top-notch corrosion resistance and mechanical dependability. They’re heavily used in marine engineering, shipbuilding, and offshore platforms, thanks to their exceptional ability to withstand seawater and saltwater conditions. Chemical plants rely on them for pumps, valves, heat exchangers, and processing equipment that face harsh chemicals. In the oil and gas industry, Monel Nuts are essential for drilling tools, subsea systems, and high-pressure gear. Their durability also makes them ideal for desalination plants, aerospace components, petrochemical facilities, and high-temperature industrial systems that need reliable fastening solutions.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.