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Aisha Nickel Alloys, based in Muscat, Oman, is a leading manufacturer and supplier of high-quality copper-nickel products, including fasteners, fittings, pipes, and welding consumables. Serving marine, offshore, desalination, chemical processing, and power generation industries, the company provides products that meet international standards and deliver reliable performance in harsh environments. Known for consistent quality, corrosion resistance, and technical expertise, Aisha Nickel Alloys offers Copper Nickel Fasteners as a specialized solution. These fasteners are designed for durability, high strength, and excellent resistance to seawater and industrial corrosion, ensuring secure bolted connections in critical applications.
Copper Nickel Fasteners are typically made from copper-nickel alloys such as 70/30 or 90/10, with small additions of iron and manganese to enhance mechanical strength and corrosion resistance. The alloy provides excellent tensile and yield strength, good ductility, and superior impact resistance. These fasteners maintain dimensional stability and mechanical integrity under high pressure, turbulent flow, and prolonged exposure to seawater, brine, or aggressive industrial chemicals. Their corrosion resistance, strength, and durability make them suitable for high-performance marine and industrial applications.
| Grade | Cupro Nickel |
| Specifications | ASTM / ASME SB 151, SB 152 |
| Standards | DIN, ASTM, BS and all International Standards |
| Length | UPTO 5 METERS |
| Size | M4 To M100 | Custom Sizes |
| Form | Nuts, Bolts, Washers, Screw |
| Types | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts, Hex Head Nut, Eye Nut, Dome Nut, Coupling Nut, Square Nut, Acorn Nut, Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Socket Head Screws, Concrete Screws, Shoulder Screws, Threaded Screws, Machine Screws, Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer etc. |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
|---|---|---|---|---|---|---|
| Copper Nickel | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
| Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
| Elongation at break (in 381 mm) | 45.0% | 45.0% |
| Charpy impact | 107 J | 78.9 ft-lb |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 57.0 GPa | 8270 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elastic modulus | 150 GPa | 21800 ksi |
At Aisha Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel Fasteners in Muscat, OMAN, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the OMAN, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Copper Nickel Fasteners are widely used in marine and offshore piping systems, desalination plants, chemical processing equipment, and power generation facilities. They are ideal for securing pumps, valves, heat exchangers, condensers, and pipelines exposed to seawater or brackish water. These fasteners are also commonly employed in shipbuilding, offshore platforms, and other critical industrial installations to provide long-term, maintenance-free performance. With superior resistance to corrosion, erosion, pitting, and biofouling, Copper Nickel Fasteners ensure secure and reliable bolted connections for both new installations and repair or retrofit projects in demanding marine and industrial environments.
