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If you’re looking for top-notch Copper Nickel Bolts, look no further than Themba Nickel Alloys, a well-respected manufacturer based in Cape Town, South Africa. They proudly supply high-quality products to various industries in Cape Town, Cape Town, and are dedicated to excellence, precision, and reliability. Their offerings meet global standards, making them a go-to choice for marine, chemical, and engineering sectors. With state-of-the-art production facilities and a strong emphasis on corrosion-resistant materials, Themba Nickel Alloys guarantees outstanding durability and performance. Their Copper Nickel Bolts are specifically engineered to resist seawater, biofouling, and stress cracking, making them perfect for tough environments and long-lasting industrial applications.
These bolts typically come in two compositions: 90% copper and 10% nickel, or 70% copper and 30% nickel, both of which provide remarkable corrosion resistance and mechanical strength. They boast a tensile strength between 275–550 MPa and show excellent resistance to oxidation and pitting in seawater. Even under high-stress conditions, these bolts maintain impressive ductility, hardness, and wear resistance. Their outstanding thermal stability and anti-fouling properties make them ideal for marine and offshore applications, ensuring they last long and perform reliably in corrosive and high-temperature settings.
| Grade | Cupro Nickel 70/30 (UNS C71500) |
| 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. |
| Element | Cu | Mn | Pb | Ni | Fe | Zn |
| Copper Nickel 70/30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel Bolts in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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 Bolts are a staple in marine engineering, desalination plants, heat exchangers, and offshore oil and gas facilities, thanks to their exceptional resistance to corrosion and biofouling. They’re crucial in shipbuilding for securing piping systems, condensers, and seawater pumps. Beyond that, they also play a vital role in power generation, petrochemical industries, and coastal infrastructure, where durability and resistance to saltwater are essential. Their ability to thrive in harsh marine environments makes them the top choice for industries that need dependable fastening solutions with outstanding mechanical and corrosion-resistant qualities.
