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The Fasteners Mart, Mumbai, India, is a well-established brand in the fasteners sector, renowned for providing high-quality and long-lasting fastening solutions to the world. Copper Nickel Screws are part of their range of versatile products, made from high-grade Cu-Ni alloys like Grade 90/10 (C70600) and 70/30 (C71500). The screws are offered in several shapes like pan head, flat head, round head, and custom shapes as per application demands. Renowned for their superior resistance to corrosion, biofouling, and seawater, the screws are perfect for use in marine, industrial, and desalination environments.
Copper Nickel Screws, usually of Cu-Ni 90/10 (90% copper, 10% nickel) or 70/30 (70% copper, 30% nickel), possess excellent corrosion and biofouling resistance in seawater. Screw strength is moderate, with tensile strength of 300–500 MPa and yield strength of approximately 150–200 MPa. They possess very good thermal conductivity, are non-magnetic, and have a density of around 8.9 g/cm³.”. The screws are secure in high-moisture and saline conditions and thus suitable for long service life in marine and heat exchanger applications.
| Copper Nickel | Ni | Pb | Cu | Fe | Mn | Zn |
| 9-11 max | 0.05 max | 88.6 min | 1.8 max | 1.0 max | 1 max |
| Density | Elongation | Yield Strength (0.2%Offset) | Melting Point | Tensile Strength |
| 8.1 g/cm3 | 30 % | Psi – 35,000, MPa – 241 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 |
| Specifications | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Size | 1/2” to 12″ |
| Standards | ASTM, ASME Washer, ANSI Washer, DIN Washer, EN Washer, BS Washer etc |
| Grade | Copper & Copper Nickel Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN |
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 Screws are extensively utilized in marine situations, such as fittings for boats, ship construction, heat exchangers, and offshore structures, based on the great resistance to corrosion from saltwater and biofouling. In desalination and chemical treatment processes, they provide long-term reliability in brine and chloride-enriched situations. They are also applicable to underwater pipes, naval equipment, and fire fighting systems. Their non-sparking and non-magnetic character also renders them appropriate for sensitive electronic and explosive settings. Furthermore, their suitability, beauty, and durability make them the best for architectural and decorative marine hardware.
The Fasteners Mart provides speedy and safe delivery of Copper Nickel Screws through reliable shipping partners globally. Every screw is wrapped with corrosion-resistant wrapping, bubble wrapping, and strong export-grade cartons or wooden boxes to avoid corrosion or damage during shipping. Specialized labeling and bulk packaging options are offered based on client needs.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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