Naval Brass C46400 Tubesheet B171 Cuzn36sn1 For Marine Heat Exchanger

Overview

C46400 is a type of naval brass, which is a copper-zinc-tin alloy commonly used in marine environments due to its excellent corrosion resistance, strength, and antimicrobial properties. C46400 naval brass specifically contains around 59% copper, 40% zinc, and 1% tin. This alloy is known for its high strength, good ductility, and resistance to dezincification, making it suitable for various applications, especially in marine and naval industries.

Here are some of the key advantages of C46400 naval brass:

1. Corrosion Resistance: Naval brass, including C46400, is highly resistant to corrosion in marine environments, especially in seawater and other corrosive media. This resistance helps to maintain the integrity and longevity of components made from this alloy.

2. Strength and Durability: C46400 naval brass possesses good strength and durability, making it suitable for applications where mechanical properties are crucial. It can withstand moderate to high mechanical stresses without deforming or failing.

3. Antimicrobial Properties: Brass alloys, including naval brass, have natural antimicrobial properties that inhibit the growth of bacteria on surfaces made from this material. This makes C46400 suitable for applications where hygiene and cleanliness are important.

4. Ease of Machinability: Naval brass alloys like C46400 are known for their excellent machinability. They can be easily machined into various shapes and components, allowing for intricate designs and precise specifications.

5. Wear Resistance: C46400 naval brass exhibits good wear resistance, making it suitable for components subjected to friction and wear, such as bearings, bushings, and pump components.

6. Attractive Appearance: Naval brass has a distinctive golden color that can add aesthetic value to components and structures. It is often used in applications where appearance matters, such as decorative hardware and architectural elements.

7. Non-Sparking Properties: Brass alloys are non-sparking, which means they do not produce sparks when struck against a hard surface. This property makes C46400 naval brass suitable for applications where fire or explosion hazards need to be minimized.

8. Biocompatibility: Brass alloys are generally considered biocompatible, which means they are suitable for use in medical and food processing equipment where contact with the human body or consumables is required.

9. Cost-Effectiveness: Naval brass, including C46400, offers a good balance of performance and cost, making it a cost-effective choice for many applications compared to more expensive corrosion-resistant materials like stainless steel.

Why need to use tubesheet?

Tubesheets are a crucial component in shell-and-tube heat exchangers and similar tube-based equipment for several reasons. Here are some key reasons why tubesheets are necessary in heat exchangers:

1. Tube Support

2. Sealing

3. Heat Transfer Surface

4. Fluid Distribution

5. Thermal Expansion

6. Structural Integrity

7. Maintenance and Accessibility

In summary, tubesheets are essential components in heat exchangers because they provide support for the tubes, facilitate heat transfer, maintain sealing integrity, ensure structural stability, and allow for proper maintenance of the system. Their presence is critical for the reliable and efficient operation of shell-and-tube heat exchangers and similar tube-based equipment.

Chemical composition of C46400