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Hamad Fasteners stands out as a top-notch manufacturer and supplier of high-quality fasteners right in the heart of Riyadh, Saudi Arabia. We cater to industries that require dependable, corrosion-resistant solutions. One of our standout products is the Copper Nickel Bolt, designed for exceptional performance in marine, offshore, and heat exchanger applications. These bolts are renowned for their impressive resistance to seawater corrosion, biofouling, and stress cracking, making them perfect for tough environments. At Hamad Fasteners, we offer Copper Nickel Bolts in a variety of sizes and specifications, ensuring they deliver high durability, strength, and long-lasting reliability for critical engineering tasks.
Typically, Copper Nickel Bolts are made up of 60–70% copper and 30–40% nickel, with a touch of iron and manganese to enhance their strength and corrosion resistance. Popular alloys include CuNi 70/30 and CuNi 90/10. These bolts boast solid mechanical strength, with tensile strength usually falling between 350 to 500 MPa, along with great ductility and thermal stability. Thanks to their natural resistance to seawater, these bolts are perfect for submerged or coastal applications. They also hold up well under high temperatures and resist scaling and hydrogen embrittlement effectively.
| 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 |
| 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. |
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.
You’ll find Copper Nickel Bolts widely used in marine construction, shipbuilding, offshore oil platforms, desalination plants, condenser systems, and heat exchangers. Their ability to resist saltwater corrosion and marine life makes them ideal for underwater pipelines, pumps, and valve assemblies. Additionally, these bolts are essential in power generation and chemical processing, where corrosion resistance and thermal conductivity are crucial. With a long service life, reduced maintenance needs, and robust mechanical performance, Copper Nickel Bolts are a reliable choice for high-performance marine and industrial applications.
At Hamad Fasteners, we make sure that our Copper Nickel bolts are packed in a way that will not affect their quality and effectiveness. Every bolt is packed in individual protection to avoid damage, rusting or any form of contamination in the course of transportation. Our packaging is safe and secure using robust cartons and we also have the ability to provide customized packaging. Proper labeling and packing also help in easy identification and handling of the products as part of our core values of offering quality products in good condition.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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