Home > Copper Nickel > Copper Nickel 70/30 Fasteners
Okoye Nickel Alloys, based in Kinshasa, Congo, is a leading manufacturer and supplier of premium nickel alloys and copper-nickel products. We specialize in Copper Nickel 70/30 Fasteners, known for their superior strength, corrosion resistance, and durability. Designed to perform reliably in marine, offshore, and industrial environments, our fasteners ensure secure connections even in harsh conditions. Our commitment to high-quality standards guarantees that each fastener meets rigorous industry requirements. Okoye Nickel Alloys is dedicated to delivering exceptional products and outstanding customer service, making us a trusted partner for businesses seeking robust and dependable fastening solutions.
Okoye Nickel Alloys stands out as a top-notch manufacturer and supplier located in Kinshasa, Congo, with a focus on high-quality Copper Nickel 70/30 Fasteners. The company has earned its reputation through precision engineering, cutting-edge manufacturing techniques, and a commitment to global standards. They serve a variety of industries, including marine, oil & gas, desalination, chemical processing, and power generation. The fasteners produced by Okoye Nickel Alloys are known for their exceptional durability, corrosion resistance, and mechanical strength. Built to withstand harsh and corrosive environments, these Copper Nickel 70/30 Fasteners guarantee reliability and performance in critical applications where strength and longevity are a must.
| Standard | DIN, ASTM, BS and all International Standards |
|---|---|
| Size | 3mm To |
| 200 mm | |
| Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M02 To M33 |
| Length | H8, H9, H10, H11, H12, H13K9, K10, K11f, K12 or as per clients’ requirements |
| Types | Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U-Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts. |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc |
| Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 70/30 | 65 min | 1.0 max | 0.05 max | 29-33 max | 0.4-1.0 max | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Cupro Nickel 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
The Copper Nickel 70/30 Fasteners from Okoye Nickel Alloys are made up of roughly 70% copper and 30% nickel, with small amounts of iron and manganese added to enhance strength and corrosion resistance. This alloy boasts a tensile strength ranging from 380 to 480 MPa, a yield strength of about 130 MPa, and an elongation of around 30%. These fasteners are particularly resistant to seawater corrosion, biofouling, and stress cracking, all while maintaining excellent thermal and electrical conductivity. Their stable mechanical properties and robust anti-oxidation features make them perfect for demanding marine and industrial settings.
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You’ll find Copper Nickel 70/30 Fasteners from Okoye Nickel Alloys widely used in marine engineering, shipbuilding, desalination plants, heat exchangers, offshore oil platforms, and cooling water systems. They are particularly effective for securing components that are exposed to seawater and saline environments, ensuring structural integrity and a long service life. Additionally, these fasteners are utilized in chemical processing, condensers, and power generation systems where corrosion resistance and strength are vital. With a strong emphasis on precision machining and rigorous quality control, Okoye Nickel Alloys delivers Copper Nickel 70/30 Fasteners that promise reliable performance even in the toughest industrial conditions.
