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Monel K500 Nuts are robust, corrosion-resistant fasteners crafted for tough marine, chemical, and industrial environments. Made from Monel K500, a unique nickel-copper alloy enhanced with aluminum and titanium, these nuts offer remarkable mechanical strength, fatigue resistance, and outstanding corrosion protection. Suppliers in Hamilton, New Zealand, like Aria Fasteners, guarantee precise threading, consistent dimensions, and adherence to international standards. These nuts are perfect for securing bolts and stud bolts in pipelines, flanges, pumps, and industrial machinery that demand reliable fastening in challenging or high-stress situations.
The composition of Monel K500 Nuts primarily includes nickel and copper, along with trace amounts of iron, manganese, aluminum, and titanium. This blend provides exceptional resistance to seawater, acids, and alkalis, while also delivering high tensile strength and fatigue resistance. Mechanically, these nuts hold their shape under heavy loads and cyclic stresses, making them ideal for offshore, marine, chemical processing, and industrial applications where strength and corrosion resistance are essential.
| 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 are used in many industries including marine engineering, chemical processing, and the oil and gas industries due to their excellent corrosion resistance and high strength. They are best suited for marine and offshore industries and in pumps, valves and other high stress and severe service applications.
You’ll find Monel K500 Nuts commonly used in offshore oil and gas platforms, marine engineering, chemical processing facilities, desalination systems, and various industrial machines. They excel at securing flanges, pressure vessels, pumps, valves, and structural components that face exposure to seawater, corrosive substances, or significant mechanical loads. These nuts ensure joint integrity, resist loosening from vibrations, and offer long-lasting durability. Additionally, Monel K500 Nuts are utilized in aerospace, shipbuilding, and specialized industrial sectors that require high-strength, corrosion-resistant, and fatigue-resistant fastening solutions.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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