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Copper Nickel 70/30 Tubing

Copper Nickel 70/30 Tubing

Copper Nickel 70/30 Tubing is fabricated from 70% copper and 30% nickel, deemed a high-strength tube with high corrosion resistance, particularly in marine conditions. This tubing is also used in desalination plants, power generation, and offshore operations in the oil and gas industry because of its strength and resistance to stress corrosion cracking.

Chemical Composition of Copper Nickel 70/30 Tubing

Copper Nickel 70/30 tubing composition is crucial for understanding their properties and performance in various industrial applications.

Cu-Ni 70/30

Cu

Pb

Mn

Fe

Zn

Ni

65.0 min

0.05 max

1.0 max

0.4-1.0

1 max

29-33 max

Thus, this table provides valuable insight into the chemical composition of these tubing, highlighting their properties and suitability. 

Mechanical Properties of Copper Nickel 70/30 Tubing

The table provides essential information for engineers and manufacturers to assess the integrity and durability of the Copper Nickel 70/30 tubing in demanding environments.

Density

Melting Point

Yield Strength (0.2%Offset)

Tensile Strength

Elongation

0.323 lb/in3 at 68 F

2260 F

20000 psi

50000 Psi 

30 %

Thus, this valuable data on the Copper Nickel 70/30 tubing’s strength, flexibility, and resilience is crucial for ensuring reliability and longevity.

The Advantages of Copper Nickel 70/30 Tubing

Understanding the mentioned benefits of Copper Nickel 70/30 Tubing can assist in improving its efficiency in various applications for providing long service.

  • High Mechanical Strength: Copper nickel 70/30 tubing also has high mechanical properties hence crystallizing high performance and robust usage in many applications.
  • Excellent Thermal Conductivity: This tubing also boasts excellent thermal conductivity which makes it suitable for use in heat exchangers and condensers among others.
  • Resistance to Biofouling: Copper Nickel 70/30 Tubing does not facilitate the growth of bio-materials that would require frequent cleaning and hence improve efficiency in marine and seawater applications.
  • Resistance to Stress Corrosion Cracking: Copper nickel 70/30 tubing is quite resistant to stress corrosion cracking thus making it useful for applications with high stress demand.
  • Ease of Fabrication and Welding: Copper Nickel 70/30 Tubing also offers good formability and weldability making it suitable for different manufacturing and construction processes.
  • Dimensional Stability: Copper-nickel 70/30 tubing is dimensionally stable at various temperatures and pressures; hence, it consistently performs well.
  • Low Maintenance Requirements: Copper Nickel 70/30 Tubing is highly resistant to corrosive service which makes it less prone to wear and tear so; it has a low maintainability cost.
  • Cost-Effective Solution: Copper Nickel 70/30 Tubing is an optimum product due to its high performance and duration making this product’s cost efficiencies ideal for the wide array of industries and marine industries it is used in.

Hence, Copper Nickel 70/30 Tubing has several key advantages such as enhanced corrosion protection, superior strength, and high thermal conductivity.

Use of Copper Nickel 70/30 Tubing

Characteristics of Copper Nickel 70/30 Tubing are useful in determining the appropriate material for projects that need to be long-lasting and efficient

  • Marine Engineering: Copper Nickel 70/30 Tubing also finds its application in shipbuilding and repair because of its ability to withstand seawater corrosion and biofouling.
  • Heat Exchangers: Copper Nickel 70/30 Tubing with high thermal conductivity is widely applied to the heat exchanger for it requires an effective heat exchange rate.
  • Condensers: The resistance of Copper Nickel 70/30 Tubing to corrosion and fouling is desirable for condenser systems and prolongs operational capacity and durability.
  • Desalination Plants: Copper Nickel 70/30 Tubing is commonly used in desalination plants due to the tendency to corrode in salt water making it suitable for long-term use.
  • Offshore Oil and Gas Industry: Copper Nickel 70/30 Tubing is utilized in some of the applications such as offshore structures and subsea because they are strongest against rough marine conditions.
  • Power Generation: The Copper Nickel 70/30 Tubing is furthermore applied in power stations where low tendencies in regards to corrosion and fouling are beneficial.
  • Firefighting Systems: Copper Nickel 70/30 Tubing has high strength and excellent corrosion capacity, thus coming into practice for marine firefighting like sprinkler systems and water supply systems, etc.
  • Hydraulic and Pneumatic Systems: Copper Nickel 70/30 Tubing serves as the hydraulic and pneumatic system tubing for marine and industrial applications that need corrosion resistance.

Thus, Copper Nickel 70/30 Tubing is widely used in different industries because of its high corrosion resistance, high thermal conductivity, and excellent strength.

Copper Nickel 70/30 Tubing is fabricated from 70% copper and 30% nickel, deemed a high-strength tube with high corrosion resistance, particularly in marine conditions. This tubing is also used in desalination plants, power generation, and offshore operations in the oil and gas industry because of its strength and resistance to stress corrosion cracking.

Chemical Composition of Copper Nickel 70/30 Tubing

Copper Nickel 70/30 tubing composition is crucial for understanding their properties and performance in various industrial applications.

Cu-Ni 70/30

Cu

Pb

Mn

Fe

Zn

Ni

65.0 min

0.05 max

1.0 max

0.4-1.0

1 max

29-33 max

Thus, this table provides valuable insight into the chemical composition of these tubing, highlighting their properties and suitability. 

Mechanical Properties of Copper Nickel 70/30 Tubing

The table provides essential information for engineers and manufacturers to assess the integrity and durability of the Copper Nickel 70/30 tubing in demanding environments.

Density

Melting Point

Yield Strength (0.2%Offset)

Tensile Strength

Elongation

0.323 lb/in3 at 68 F

2260 F

20000 psi

50000 Psi 

30 %

Thus, this valuable data on the Copper Nickel 70/30 tubing’s strength, flexibility, and resilience is crucial for ensuring reliability and longevity.

The Advantages of Copper Nickel 70/30 Tubing

Understanding the mentioned benefits of Copper Nickel 70/30 Tubing can assist in improving its efficiency in various applications for providing long service.

  • High Mechanical Strength: Copper nickel 70/30 tubing also has high mechanical properties hence crystallizing high performance and robust usage in many applications.
  • Excellent Thermal Conductivity: This tubing also boasts excellent thermal conductivity which makes it suitable for use in heat exchangers and condensers among others.
  • Resistance to Biofouling: Copper Nickel 70/30 Tubing does not facilitate the growth of bio-materials that would require frequent cleaning and hence improve efficiency in marine and seawater applications.
  • Resistance to Stress Corrosion Cracking: Copper nickel 70/30 tubing is quite resistant to stress corrosion cracking thus making it useful for applications with high stress demand.
  • Ease of Fabrication and Welding: Copper Nickel 70/30 Tubing also offers good formability and weldability making it suitable for different manufacturing and construction processes.
  • Dimensional Stability: Copper-nickel 70/30 tubing is dimensionally stable at various temperatures and pressures; hence, it consistently performs well.
  • Low Maintenance Requirements: Copper Nickel 70/30 Tubing is highly resistant to corrosive service which makes it less prone to wear and tear so; it has a low maintainability cost.
  • Cost-Effective Solution: Copper Nickel 70/30 Tubing is an optimum product due to its high performance and duration making this product’s cost efficiencies ideal for the wide array of industries and marine industries it is used in.

Hence, Copper Nickel 70/30 Tubing has several key advantages such as enhanced corrosion protection, superior strength, and high thermal conductivity.

Use of Copper Nickel 70/30 Tubing

Characteristics of Copper Nickel 70/30 Tubing are useful in determining the appropriate material for projects that need to be long-lasting and efficient

  • Marine Engineering: Copper Nickel 70/30 Tubing also finds its application in shipbuilding and repair because of its ability to withstand seawater corrosion and biofouling.
  • Heat Exchangers: Copper Nickel 70/30 Tubing with high thermal conductivity is widely applied to the heat exchanger for it requires an effective heat exchange rate.
  • Condensers: The resistance of Copper Nickel 70/30 Tubing to corrosion and fouling is desirable for condenser systems and prolongs operational capacity and durability.
  • Desalination Plants: Copper Nickel 70/30 Tubing is commonly used in desalination plants due to the tendency to corrode in salt water making it suitable for long-term use.
  • Offshore Oil and Gas Industry: Copper Nickel 70/30 Tubing is utilized in some of the applications such as offshore structures and subsea because they are strongest against rough marine conditions.
  • Power Generation: The Copper Nickel 70/30 Tubing is furthermore applied in power stations where low tendencies in regards to corrosion and fouling are beneficial.
  • Firefighting Systems: Copper Nickel 70/30 Tubing has high strength and excellent corrosion capacity, thus coming into practice for marine firefighting like sprinkler systems and water supply systems, etc.
  • Hydraulic and Pneumatic Systems: Copper Nickel 70/30 Tubing serves as the hydraulic and pneumatic system tubing for marine and industrial applications that need corrosion resistance.

Thus, Copper Nickel 70/30 Tubing is widely used in different industries because of its high corrosion resistance, high thermal conductivity, and excellent strength.

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Copper Nickel 70/30 Tubing FAQ's  

Copper Nickel 70/30 Tubing is commonly used in marine applications such as shipbuilding and offshore oil and gas operations, as well as in industrial and chemical applications that require corrosion resistance.


Yes, Copper Nickel 70/30 Tubing can be custom ordered to meet specific size and shape requirements for your project.

The lead time for Copper Nickel 70/30 Tubing can vary depending on the size and quantity of the order, as well as the availability of the material. Typically it is between 2 to 4 weeks.

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