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In Chennai, India, Kunj Sheets and Plates is a reputable producer and supplier of premium Copper Nickel 70/30 Coils and Slitting Coils. These coils are widely used in engineering, industrial, and marine applications because of their exceptional mechanical strength, resistance to seawater corrosion, and thermal stability. To meet the varied needs of our customers, we provide Copper Nickel 70/30 coils in a range of sizes and finishes while upholding both domestic and international quality standards. Kunj Sheets and Plates is a reputable supplier of high-quality copper-nickel alloy products, distinguished by its emphasis on precision engineering, prompt delivery, and affordable prices.
About 70% copper and 30% nickel make up the Copper Nickel 70/30 Coil; iron and manganese are added in trace amounts to improve strength and corrosion resistance. It provides up to 30% elongation, a yield strength of 150 MPa, and a tensile strength of roughly 520 MPa. Even in harsh conditions and at high temperatures, the alloy retains its exceptional mechanical qualities. It works extremely well in industrial and marine environments that demand strength and durability due to its exceptional resistance to biofouling, stress corrosion, cracking, and erosion.
Specification | ASTM B122 / ASME SB122 |
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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. |
Grade | Cu | Mn | Pb | Ni | Fe | Zn |
Cu-Ni 70/30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Copper Nickel 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
STANDARD | WERKSTOFF NR. | UNS |
Copper Nickel 70/30 | 2.0882 | C71500 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Kunj Sheets and Plates based in Chennai, India, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Steel Coil | Size (mm) | Weight per Coil (Kg) | Size(mm) | Weight per Coil (Kg) |
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Copper Nickel 70/30 Coil | 4000 x 2000 x 2.0 | 136.0 | 3000 x 1500 x 5.0 | 191.0 |
Copper Nickel 70/30 Coil | 4000 x 2000 x 3.0 | 204.0 | 4000 x 2000 x 5.0 | 340.0 |
Copper Nickel 70/30 Coil | 2500 x 1250 x 4.0 | 106.0 | 2500 x 1250 x 6.0 | 159.0 |
Copper Nickel 70/30 Coil | 3000 x 1500 x 4.0 | 153.0 | 3000 x 1500 x 6.0 | 230.0 |
Copper Nickel 70/30 Coil | 4000 x 2000 x 4.0 | 272.0 | 4000 x 2000 x 6.0 | 408.0 |
Copper Nickel 70/30 Coil | 2500 x 1250 x 5.0 | 133.0 |
Copper nickel 70/30 coils and Slitting Coil offer many benefits including excellent resistance to seawater corrosion, making them ideal for marine applications. Their excellent resistance to biofouling, oxidation and stress corrosion cracking makes them durable in harsh environments. The alloy provides excellent thermal and electrical conductivity along with excellent formability and weldability. Copper nickel 70/30 coils are strong yet flexible, have high tensile and yield strengths, making them suitable for use in heat exchangers, desalination plants and chemical processes along with continuous operation at extreme temperatures and provides lower maintenance over time.
Yes, we offer custom sizes for Copper Nickel 70/30 Coil, Slitting Coil to meet specific project needs. Our team at Kunj Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@kunjsheetsplates.com.
Slitting and Coils for Copper Nickel 70/30 Because of their exceptional resistance to saltwater corrosion and fouling, coils are widely used in maritime environments for seawater piping, heat exchangers, condensers, and ship hulls. They are also utilised in power plant cooling systems, desalination facilities, and offshore oil and gas platforms. They are used in condenser tubing, evaporators, and chemical processing units in industrial settings. They are perfect for manufactured parts that need to function well in corrosive and high-pressure environments because of their exceptional formability and weldability. In harsh environments, these coils are crucial for preserving the equipment’s dependability and longevity.
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