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Kunj Sheets and Plates stands out as a top-notch manufacturer and supplier of Copper Nickel Coil/Slitting Coil right in Chennai, India. Our coils are made from high-quality copper-nickel alloys, like Cu-Ni 90/10 and 70/30, which are celebrated for their exceptional resistance to seawater corrosion, biofouling, and thermal stability. We take pride in producing coils with precise dimensions, making them perfect for both industrial and marine-grade applications. At Kunj, we offer tailored coil sizes, tempers, and slit widths to cater to the varied needs of different industries. With a strong emphasis on quality, durability, and prompt delivery, we serve clients in shipbuilding, heat exchangers, and chemical processing sectors.
When it comes to Copper Nickel Coils, you can typically find them in 90/10 (90% copper, 10% nickel) and 70/30 (70% copper, 30% nickel) grades. These alloys also have small amounts of iron and manganese added to boost their mechanical strength and corrosion resistance. Their mechanical properties include a tensile strength ranging from 275 to 360 MPa, yield strength between 70 and 140 MPa, along with excellent ductility and formability. These coils excel under high temperature and pressure, providing outstanding resistance to saltwater, steam, and acidic conditions. Their remarkable workability makes them perfect for slitting, welding, and cold forming.
| Specification | ASTM B122 / ASME SB122 |
|---|---|
| Thickness | Plate 0125″ to 5.00″ / Sheets 008″ to .0125″ |
| Sheet / Plates Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm |
| Sheet / Plates Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Sheets Hardness | Half Hard, Quarter Hard, Soft, Hard, Spring Hard |
| Plate / Sheets Size | 15NB to 150NB In |
| Tempers | Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard |
| Coils Thickness | 0.3 mm to 120 mm |
| Coils Length | AS PER CUSTOMER’S REQUIREMENT |
| Form | Sheets, Plates, Coils, Strips, Circle, Ring, Disc, Foils |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Copper-nickel coil offer many advantages including exceptional corrosion resistance, especially in sea water and harsh marine environments. They are highly robust, resistant to biofouling, and store energy over a wide temperature range. The excellent thermoelectric conductivity of the alloy makes it ideal for heat exchangers and electrical components. Copper-nickel sockets also exhibit excellent formability, enabling complex shapes without compromising integrity. Properties that resist stress corrosion cracking and oxidation ensure long-term performance in complex applications such as shipbuilding, desalination plants and chemical processing, making it cost-effective and portable to it in the long run
Copper Nickel Coil/Slitting Coil finds extensive use in marine applications, such as seawater piping, desalination units, and shipbuilding, thanks to its resistance to biofouling. In heat exchangers, they are utilized for condenser tubing and cooling systems. The power generation and petrochemical industries rely on these coils for instrumentation tubing, control lines, and protective linings in corrosive settings. They are also well-suited for HVAC systems, hydraulic systems, and plumbing in offshore structures. The slitting process allows for easy customization, making them ideal for automated production lines and ensuring versatility in high-performance engineering environments.
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Chennai, India
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