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Copper nickel alloys are composed of copper with a significant percentage of nickel and, in some cases, other elements like copper. These alloys are known for their excellent corrosion resistance, especially in marine applications. They are commonly used in various industries, including shipbuilding, offshore oil and gas, and desalination plants.

Copper nickel pipes are mainly used for applications where resistance to seawater corrosion is crucial. They offer durability, high thermal conductivity, and resistance to biofouling. These pipes are often used in marine systems, heat exchangers, and other situations where exposure to corrosive elements is a concern.

Copper Nickel 90/10 Pipes & Tubes

As discussed previously, copper nickel alloys are highly valued for their exceptional resistance to seawater corrosion, ability to reduce macrofouling, and excellent workability. Their durability, antimicrobial properties, and attractive appearance make them suitable for a wide range of applications. Kalpataru Piping is a trusted global provider of high-quality Copper Nickel 90/10 Pipes & Tubes

Our products are manufactured in strict accordance with international and national standards, ensuring consistent quality. We cater to diverse customer requirements by offering various specifications and competitive pricing. KPS Cu-Ni 90/10 Pipes & Tubes are widely used in seawater piping due to their immunity to barnacles and marine organisms. They are also employed in condenser tubes, heat exchangers, desalination plant evaporators, thermal power plant air cooling systems, process industry plants, seawater piping in ships, and high-pressure feedwater heaters.

Benefits of Using Cu-Ni 90/10 (Copper Nickel 90/10) Pipe

Copper-nickel (Cu-Ni) 90/10 pipes and tubes offer a range of advantages to use in various applications, particularly in marine and industrial settings. Here are some of the key benefits of using Cu-Ni 90/10 pipes and tubes:

Exceptional Corrosion Resistance

Cu-Ni 90/10 pipes and tubes of copper nickel pipe exhibit exceptional resistance to seawater corrosion, making them ideal for marine applications, such as ship hulls, piping systems, and heat exchangers. They are also resistant to corrosion from various chemicals, including acids, alkalis, and chlorides, making them suitable for chemical processing and industrial applications.

High Strength and Ductility

Copper Nickel 90/10 pipes and tubes possess high strength and good ductility, allowing them to withstand demanding conditions and be easily formed or shaped. This combination of strength and ductility makes them suitable for structural applications in marine and industrial environments.

Biofouling Resistance

Cu-Ni 90/10 pipes and tubes of copper nickel and alloy are resistant to biofouling, the accumulation of marine organisms on surfaces. This resistance is crucial for marine applications, as biofouling can impede performance and lead to corrosion.

Low Maintenance

Copper nickel alloy (Cu-ni) 90/10 pipes and tubes require minimal maintenance compared to other materials, reducing overall costs. Their resistance to corrosion and biofouling minimizes the need for frequent inspections, cleaning, or replacement.

Environmental Friendliness

Cu-Ni 90/10 pipes and tubes are considered environmentally friendly due to their long lifespan and minimal maintenance requirements. They reduce the need for frequent replacements and associated environmental impacts.


Cu-Ni 90/10 pipes and tubes of copper nickel pipe are versatile and can be used in a wide range of applications beyond marine environments. They are commonly found in desalination plants, power generation, chemical processing, oil and gas, and HVAC systems.

Copper nickel (Cu-Ni) 90/10 pipes and tubes offer a combination of exceptional corrosion resistance, high strength, ductility, biofouling resistance, low maintenance, environmental friendliness, and versatility, making them a valuable choice for various applications.

Applications of Copper Nickel 90/10 Pipe & Tubes

Copper Nickel 90/10, also known as Cupronickel 90/10, is a copper alloy with 90% copper, 10% nickel, and small amounts of iron and manganese. This alloy is highly resistant to corrosion, especially in marine environments, making it suitable for various applications. Here are some common applications of Copper Nickel 90/10:

Shipbuilding and Marine Engineering:

  • Piping systems for seawater and hydraulic systems.
  • Heat exchangers and condensers.
  • Boat hulls and other marine components.

Desalination Plants:

  • Brine heaters and evaporator tubing.
  • Piping and heat exchangers in desalination equipment.

Oil and Gas Industry:

  • Offshore and onshore oil platforms.
  • Subsea pipelines and components.

Power Generation:

  • Condenser tubes in power plants.
  • Heat exchangers in thermal power stations.

Chemical Processing:

  • Equipment for handling corrosive chemicals.
  • Piping systems in chemical plants.

Cooling Systems:

  • Heat exchangers and condenser tubes in HVAC systems.
  • Cooling water systems in industrial processes.


  • Copper Nickel 90/10 is sometimes used in the minting of coins.

Firefighting Systems:

  • Piping and components in firefighting systems, especially in saltwater environments.


As discussed in the blog post, copper-nickel 90/10 pipes are primarily used in marine applications due to their exceptional resistance to seawater corrosion. If you are seeking a trusted supplier and manufacturer of copper-nickel 90/10 pipes, your search ends here. Reach out to us today for comprehensive solutions tailored to meet your specific business needs.

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