Cupro Nickel 70/30 Seamless Tube

What are the key properties and advantages of Cupro Nickel 70/30 seamless tubes?

Cupro Nickel 70/30 Seamless Tubes are a type of tubing known for their excellent corrosion resistance and high thermal conductivity. Composed of 70% copper and 30% nickel, this alloy offers a combination of properties that make it suitable for various demanding applications, particularly in marine and industrial environments.

One of the key advantages of Cupro Nickel 70/30 Seamless Tubes is their resistance to corrosion, particularly in seawater. The addition of nickel enhances the alloy's resistance to pitting, crevice corrosion, and stress corrosion cracking, making it an ideal choice for applications such as shipbuilding, offshore structures, and heat exchangers used in marine environments.

The seamless manufacturing process ensures that these tubes have uniform dimensions throughout their length, offering better structural integrity and reducing the likelihood of leaks. The seamless design also facilitates smoother fluid flow, making Cupro Nickel 70/30 Seamless Tubes suitable for applications where efficient heat transfer and fluid transport are crucial.

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The high thermal conductivity of Cupro Nickel 70/30 further enhances its performance in heat exchange applications. This property is particularly beneficial in applications like condensers, evaporators, and other heat exchangers where efficient heat transfer is essential.

Cupro Nickel 70/30 Seamless Tubes are also known for their exceptional ductility and ease of fabrication. This allows for various shaping and forming processes to meet specific project requirements. The tubes can be easily welded, brazed, or soldered, offering flexibility in the manufacturing and installation processes.

In summary, Cupro Nickel 70/30 Seamless Tubes are a reliable and versatile solution for industries requiring corrosion-resistant, heat-conductive tubing. Their seamless construction, combined with the unique properties of the alloy, makes them a preferred choice for applications in marine, industrial, and heat exchange systems. Whether in shipbuilding, offshore platforms, or chemical processing, these tubes demonstrate durability and performance in challenging environments.

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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. Cu-Ni 70/30 tubes benefit from maintaining the integrity of their surface.

Continuous Seamless Tube Mills

The production of seamless 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, seamless pipes and tubes may be produced continuously, increasing productivity while lowering costs and improving efficiency.

Continuous Casting

A notable advancement in the production of seamless 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.

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