Cupro Nickel 90/10 Heat Exchanger Tube

Cupro Nickel 90/10 Heat Exchanger Tube Manufacturer, Supplier in India

Cupro Nickel 90/10 heat exchanger tubes offer several advantages, making them a preferred choice in various industries. One key benefit is their exceptional corrosion resistance, especially in marine and seawater environments. This property ensures longevity and durability, reducing the risk of tube failure and the need for frequent replacements. Additionally, Cupro Nickel 90/10 exhibits excellent thermal conductivity, allowing for efficient heat transfer and maximizing the overall performance of the heat exchanger system.

Another advantage is its compatibility with various fluids, including saltwater, brackish water, and various chemicals, making it suitable for diverse applications. Cupro Nickel 90/10 heat exchanger tubes are also known for their high erosion and impingement resistance, which makes them capable of withstanding the demanding conditions often encountered in industrial processes.

How does Cupro Nickel 90/10 perform in terms of corrosion resistance in heat exchanger applications?

Cupro Nickel 90/10 is renowned for its excellent corrosion resistance in heat exchanger applications. The alloy, composed of 90% copper and 10% nickel, possesses a unique combination of properties that make it highly corrosion-resistant, especially in seawater or brackish water environments. Adding nickel enhances the material's resistance to general and localized corrosion, including pitting and crevice corrosion.

Cupro Nickel 90/10 forms a protective oxide layer on its surface when exposed to oxygen, a barrier against further corrosion. This oxide layer, known as a patina, forms naturally over time and provides a self-healing mechanism that helps maintain the material's corrosion resistance even under challenging conditions. The presence of copper in the alloy contributes to its antimicrobial properties, making it suitable for applications where it is crucial to prevent biofouling and microbial-induced corrosion.

In heat exchanger applications, where the tubes come into contact with various fluids, Cupro Nickel 90/10 exhibits excellent resistance to corrosion caused by chloride ions, sulfides, and other aggressive elements commonly found in industrial processes. This corrosion resistance ensures the longevity and reliability of the heat exchanger system, reducing the risk of leaks, failures, and maintenance costs.

Drawing/ Floating Process

Pulling a metal bar, rod, or wire through the entirety of a die to change its finish, shape, size, and/or mechanical qualities is known as floating or drawing. The tube's outer, inner, and wall thicknesses are all reduced via the tube drawing procedure. Stainless steel tubes benefit from maintaining the integrity of their surface.

Continuous Heat Exchanger Tube Mills

The production of Heat Exchanger tubes has been transformed by continuous tube mills. These mills do away with the necessity for forging welding or filler metal, in contrast to conventional procedures. With the use of this technology, Heat Exchanger pipes and tubes may be produced continuously, increasing productivity while lowering costs and improving efficiency.

Continuous Casting

A notable advancement in the production of Heat Exchanger tubes is continuous casting. The metal is solidified into a continuous billet through the continuous pouring of molten metal into a water-cooled mould. Better uniformity and enhanced mechanical qualities are guaranteed by this continuous casting technique for the tubes.

Annealing

Metal is heated above the point of re-crystallization and cooled to room temperature during the annealing process. The molecular bonds in metal tighten when it is shaped, making it rigid. The metal is put through an annealing process to regain its ductility.

Sinking Process

Tube sinking is a drawing technique that reduces the diameter of tubes. In this drawing technique, a tube is run through a die without the need of a mandrel. Good inner surface quality is not ensured when using a mandrel. The die angel determines the integrity of the outer surface. The die being used produces a uniform surface. A tube can be significantly smaller than it was originally. When cost is a factor, tube sinking is ideal.

Inspection and Testing

Before sending our items to our consumers, we conduct inspection procedures to verify their integrity.