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Monel K500 Stud Bolts are robust, corrosion-resistant fasteners designed for tough marine, chemical, and industrial environments. Made from Monel K500, a nickel-copper alloy that’s enhanced with aluminum and titanium, these stud bolts deliver exceptional mechanical strength, outstanding corrosion resistance, and impressive fatigue resistance. Suppliers like Aria Fasteners in Hamilton, New Zealand, guarantee precise threading, consistent dimensions, and adherence to international quality standards. These bolts are perfect for securing flanges, pipelines, pumps, and industrial machinery where long-lasting reliability and strong fastening in harsh conditions are a must.
The composition of Monel K500 Stud Bolts primarily includes nickel and copper, along with trace amounts of iron, manganese, aluminum, and titanium. This unique blend offers remarkable corrosion resistance against seawater, acids, and alkalis, while the precipitation-hardened structure ensures high tensile strength, fatigue resistance, and dimensional stability. These bolts maintain their mechanical integrity even under heavy loads and cyclic stresses, making them ideal for offshore, marine, and chemical processing applications where traditional alloys might not hold up.
| 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 |
| Specification | ASTM B865, F467 / ASME SB865, SF467 |
| Standard | all International Standards and ASTM, DIN, BS |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Length | 3 mm to 200 mm | Custom Sizes |
| DIN Standard | DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
| Threads | METRIC, BSW, UNC, UNF, BSF or as required |
| Surface Coating | Cadmium Coating Hot Dipped Galvanizing Coating Ptfe Coated Phosphate Coating Teflon Coating Xylon Coating Zinc Coating |
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 stud bolts are widely used in marine engineering, chemical processing and oil exploration because of their high strength and resistance to corrosive substances. They are especially suitable for marine and offshore structures, and for critical parts such as pumps, valves and industrial equipment which are exposed to harsh conditions.
You’ll find Monel K500 Stud Bolts commonly used in offshore oil and gas platforms, marine engineering, chemical processing plants, desalination systems, and various industrial machinery. They excel at securing flanges, pressure vessels, pumps, valves, and structural components that face exposure to seawater, corrosive chemicals, or high-stress situations. These bolts help maintain joint integrity, resist loosening from vibrations, and offer long-lasting durability in extreme conditions. Additionally, Monel K500 Stud Bolts are utilized in aerospace, shipbuilding, and specialized industrial applications where corrosion resistance, strength, and fatigue performance are crucial.
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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