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Brian Fasteners is a well-regarded manufacturer and supplier based in Houston, USA, known for its extensive range of Copper Nickel 70/30 Fasteners. These fasteners are crafted for exceptional performance in tough marine and industrial settings, including bolts, nuts, screws, and washers that are precision-engineered to meet high-quality standards. The Copper Nickel 70/30 Fasteners from Brian Fasteners boast impressive resistance to seawater corrosion, biofouling, and erosion. With state-of-the-art production facilities and a talented team, the company caters to the shipbuilding, desalination, offshore, and heat exchanger industries around the globe. Customers rely on Brian Fasteners for dependable delivery, expert technical support, and a steadfast commitment to providing consistent, high-quality fastening solutions.
Copper Nickel 70/30 Fasteners are made up of roughly 70% copper and 30% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. They exhibit excellent mechanical properties, featuring a tensile strength of about 310 MPa, a yield strength of 110 MPa, and an elongation of 30–35%. This alloy is known for its outstanding resistance to seawater, brine, and biofouling, maintaining remarkable stability across a range of temperatures. Its unique blend of strength, ductility, and thermal conductivity makes Copper Nickel 70/30 perfect for fastening components in harsh marine and industrial 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.
Copper Nickel 70/30 fasteners are widely employed in marine applications such as in ships and offshore structures because of its excellent resistance to corrosion in marine environment. They are used in desalination plants because of their resistance to chloride induced corrosion. Furthermore, these fasteners are used in chemical processing industries, heat exchangers, and other industrial uses where the fasteners are needed to perform for the long-term under severe conditions.
At Brian 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.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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