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Okoye Nickel Alloys Manufacturer and Supplier in Kinshasa, Congo, offers high-quality Copper Nickel Coils, known for their excellent resistance to corrosion, particularly in marine environments. These coils are widely used in shipbuilding, heat exchangers, and desalination plants due to their durability and superior thermal conductivity. Available in various specifications, Okoye Nickel Alloys ensures that each coil meets stringent industry standards, delivering reliable and long-lasting solutions to meet diverse customer needs.
Okoye Nickel Alloys, located in Kinshasa, Congo, stands out as a top-notch manufacturer and supplier of high-quality Copper Nickel Coils. These coils are celebrated for their remarkable corrosion resistance, strength, and durability, making them perfect for the tough demands of marine, industrial, and chemical applications. With cutting-edge manufacturing techniques and rigorous quality control, Okoye Nickel Alloys guarantees consistent thickness, an excellent surface finish, and long-lasting performance. Their Copper Nickel Coils have earned the trust of both domestic and international clients, proving to be ideal for use in piping systems, heat exchangers, condensers, and other essential components that face seawater, biofouling, and harsh environmental conditions.
| Grades | Copper Nickel Coils |
| Thickness | 0.1mmThk To 3 mm Thk |
| Width | 3.2mm To 1500mm |
| Length | AS PER CUSTOMER’S REQUIREMENT |
| Type of Material | Cupro Nickel SOFT, DEEP DRAW, EXTRA DEEP DRAW, QUARTER HARD, HALF HARD, FULL HARD. |
| Form | Coil / Strip |
| Test Certificate | Yes. |
| Finish | NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA. |
| Make | BAHRU, POSCO KOREA, POSCO THAINOX, COLUMBUS, ACERINOX, APERAM, TISCO, NISSHIN, NIPPON AND MANY MORE MILLS. |
| Grade | Cu | Pb | Fe | Zn | Mn | Ni+Co |
| C70400 | Balance | ≤ 0.05 | 1.3-1.7 | ≤ 1.0 | 0.3-0.8 | 4.8-6.2 |
| C70600 | Balance | ≤ 0.05 | 1.0-1.8 | ≤ 1.0 | ≤ 1.0 | 9.0-11.0 |
| C71000 | Balance | ≤ 0.05 | 0.5-1.0 | ≤ 1.0 | ≤ 1.0 | 19.0-23.0 |
| C71500 | Balance | ≤ 0.05 | 0.4-1.0 | ≤ 1.0 | ≤ 1.0 | 29.0-33.0 |
| Property | Units | 90-10 | 70-30 |
| Density | kg/dm3 | 8.90 | 8.95 |
| Melting point | °C | 1100-1145 | 1170-1240 |
| Specific heat | J/KGK | 377 | 377 |
| Thermal conductivity | W/mK | 50 | 29 |
| Linear expansion coefficient 10-300°C | 10-6/K | 17 | 16 |
| Electrical resistivity | Micro-ohm/cm | 19 | 34 |
| Modulus of elasticity | GPa | 135 | 152 |
| Modulus of rigidity | GPa | 50 | 56 |
The Copper Nickel Coils from Okoye Nickel Alloys come in primary alloy grades like Cu-Ni 70/30 (about 70% copper and 30% nickel) and Cu-Ni 90/10 (around 90% copper and 10% nickel), with small amounts of iron and manganese added to boost mechanical strength and corrosion resistance. These specific compositions offer outstanding resistance to seawater corrosion, stress cracking, and biofouling. On the mechanical side, the coils showcase high tensile strength, good ductility, and impressive impact toughness, all while maintaining dimensional stability across a wide temperature range, ensuring dependable performance in challenging marine, offshore, and industrial settings.
Contact us to get a quick quote for your requirement.
Okoye Nickel Alloys’ Copper Nickel Coils are extensively utilized in industries that demand durable, corrosion-resistant, and high-strength materials. Common applications include shipbuilding, marine piping systems, offshore oil and gas platforms, desalination plants, cooling water systems, heat exchangers, and chemical processing equipment. They can also be crafted into sheets, strips, and components for structural and marine hardware. With their long-lasting performance, excellent corrosion resistance, and reliable fabrication properties, Okoye Nickel Alloys’ Copper Nickel Coils are a go-to choice for engineers and industries working in demanding environments.
