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Hamad Fasteners, a top-notch manufacturer and supplier based in Riyadh, Saudi Arabia, is well-known for providing high-quality fastening solutions tailored for tough applications. Among their impressive lineup, Copper Nickel 70/30 fasteners stand out for their remarkable resistance to seawater corrosion, biofouling, and stress-related wear. Crafted with a commitment to global standards, these fasteners promise durability, strength, and reliability even in the harshest marine and industrial settings. Hamad Fasteners proudly supports industries like shipbuilding, offshore operations, desalination, petrochemicals, and power generation by offering high-performance fastening products that prioritize safety and efficiency.
These Copper Nickel 70/30 fasteners are made up of 70% copper and 30% nickel, with carefully controlled amounts of iron and manganese to boost their corrosion resistance and mechanical strength. This unique alloy excels in resisting seawater and environments rich in chlorides, while also providing robust protection against stress corrosion cracking and erosion. On the mechanical side, these fasteners offer impressive tensile and yield strength, toughness, and long-lasting durability. Their anti-biofouling properties further enhance their reliability, making them perfect for continuous use in marine conditions.
| 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 these fasteners widely used in situations where resistance to seawater and harsh environments is essential. They’re commonly found in shipbuilding, marine hardware, desalination plants, offshore oil and gas structures, heat exchangers, pumps, and seawater piping systems. Additionally, they play a vital role in condensers, power plants, and chemical processing units that demand enduring performance in corrosive conditions. With their blend of strength, corrosion resistance, and durability, Copper Nickel 70/30 fasteners deliver secure and efficient fastening solutions for critical industrial and marine applications.
At Hamad Fasteners are packaged in a way that retains the quality of Copper Nickel 70/30. The fasteners are also protected and packed separately in strong and moisture proof packs to avoid rusting and contamination. Proper labeling makes it easier to identify the product and also makes handling easier. Our accurate packaging ensures that the fasteners reach the customers in the right condition and are usable immediately, which is a testimony of our quality products and excellent customer relations.
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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