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Rinku Fasteners, based in Kolkata, India, stands out as a top manufacturer and supplier of premium industrial fasteners, including Copper Nickel 70/30 Nuts. Renowned for their precision engineering and remarkable durability, these nuts boast exceptional resistance to corrosion, making them perfect for demanding marine and industrial settings. Rinku Fasteners utilizes cutting-edge manufacturing techniques and rigorous quality control to ensure that every product aligns with international standards. Their Copper Nickel 70/30 Nuts are perfect for applications that demand superior strength, thermal stability, and long-lasting performance. With a strong dedication to quality, Rinku Fasteners delivers reliable fastening solutions across various industries.
Copper Nickel 70/30 Nuts are made up of about 70% copper and 30% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. This alloy is known for its excellent resistance to seawater corrosion, stress corrosion cracking, and erosion, particularly in high-velocity marine environments. In terms of mechanics, these nuts provide good tensile and yield strength, high toughness, and consistent performance across different temperatures. Their outstanding durability and resistance to biofouling make them a great choice for long-term use in harsh and corrosive conditions.
| 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 |
|
Material |
Specification |
Standards |
Size |
|
Cupro Nickel
|
ASTM
|
ASTM B151, B152 |
M10 to M100
|
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 Nuts find extensive use in marine, offshore, chemical processing, and power generation sectors due to their remarkable corrosion resistance and durability. They are particularly suited for seawater piping systems, desalination plants, heat exchangers, shipbuilding, offshore platforms, and marine hardware that face saltwater and extreme weather conditions. Additionally, these nuts are utilized in industrial systems that deal with corrosive chemicals, high temperatures, and aggressive environments, ensuring reliable performance in challenging applications.
Our Copper Nickel 70/30 Nuts at Rinku Fasteners are packed in a manner that they reach the clients in the best condition possible. Every nut is covered and placed in hard-wearing, moisture-proof packets to avoid spoilage and harm. Proper labeling enhances identification and management of the items. The nuts are packed carefully to ensure that they retain their high quality and are ready for consumption, thus showcasing our company’s dedication to providing high-quality products and excellent customer care.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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