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Mira Fasteners is a reliable producer and distributor of Copper Nickel Bolts in Kuala Lumpur, Malaysia. Made of top–grade Cu-Ni alloys such as 90/10 (C70600) and 70/30 (C71500), our bolts exhibit high corrosion, biofouling, and erosion resistance in seawater and hostile media. Hex, U-bolts, carriage, and custom shapes are available for these bolts, which are best suited for marine, oil & gas, and desalination applications. Ensuring international standard compliance, Mira Fasteners provides precision-engineered bolts that provide mechanical reliability, structural strength, and long service life even under unfavourable environmental conditions.
Copper Nickel Bolts usually consist of 90% copper and 10% nickel (90/10) or 70% copper and 30% nickel (70/30) with iron and manganese to provide strength and corrosion resistance. They possess tensile strengths between 350–500 MPa and exhibit good ductility. They are very resistant to corrosion by seawater, stress corrosion cracking, and hydrogen embrittlement. They are non-magnetic and stable against temperature; they resist performance in varying temperatures and chemical exposures. Mira Fasteners achieves close dimensional tolerances and surface finish for long-term reliability.
| 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 Bolts have widespread applications in shipbuilding, desalination plants, marine machinery, offshore platforms, and power stations. They are especially ideal for applications with seawater, brine, and chlorinated water. These bolts play a vital role in flanged connections, underwater piping, pumps, and heat exchangers. Due to their resistance to biofouling, these bolts suit submerged equipment. Mira Fasteners provides Cu-Ni bolts suitable for corrosion-critical applications, providing secure, long-lasting, and durable fastening in applications where there is high resistance needed against marine and acidic exposure.
At Mira 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.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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