Home > Copper Nickel > Copper Nickel Coils
Copper Nickel Coils are essential components known for their excellent corrosion resistance and thermal conductivity. Composed primarily of copper with varying nickel content, typically ranging from 5% to 30%, these coils are widely used in marine engineering, offshore oil and gas, and HVAC systems. Their resistance to seawater corrosion and biofouling makes them ideal for applications such as heat exchangers, condensers, and piping systems in marine environments. Additionally, their high thermal conductivity makes them suitable for heat transfer applications in HVAC systems, refrigeration units, and power generation. Copper nickel coils offer a reliable and cost-effective solution for industries requiring durable, corrosion-resistant, and heat-conductive materials in coil form.
Grades | Cu-Ni 90/10, Cu-Ni 70/30 |
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. |
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 |
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 |
At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.
Contact us to get a quick quote for your requirement.
We offer These Copper Nickel Coils as per DIN, ISO, JIS or ANSI Standard.
Copper Nickel Coils applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, Copper Nickel Coils can be welded using various welding techniques such as gas tungsten arc welding (GTAW), shielded metal arc welding (SMAW), and resistance welding. However, due to their unique properties and high thermal conductivity, special precautions and techniques are often required to achieve high-quality welds. Preheating the material, selecting appropriate welding parameters, and using filler materials compatible with copper nickel alloys are essential steps to ensure successful welding. Additionally, post-weld heat treatment may be necessary to relieve residual stresses and enhance the mechanical properties of the weld joint. Overall, with proper expertise and techniques, copper nickel coils can be welded effectively to meet the requirements of various industrial applications.
Yes, copper nickel coils are recyclable. Copper and nickel are valuable metals commonly used in various industries, including heating and cooling systems where coils are prevalent. Recycling these coils helps conserve natural resources, reduces energy consumption, and minimizes environmental impact. The process involves melting down the coils to extract the metals for reuse in new products, making it a sustainable and economically viable practice.
Copper nickel coils are renowned for their excellent corrosion resistance, particularly in marine environments and when exposed to seawater. The presence of nickel in the alloy enhances its resistance to corrosion, making it highly suitable for applications where corrosion is a concern. However, like any material, copper nickel can corrode under extreme conditions or in highly aggressive environments. Proper maintenance and preventive measures can help mitigate corrosion and extend the lifespan of copper nickel coils.
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