Naval brass C46400 is often used in marine applications due to its resistance to corrosion in seawater, which makes it suitable for various components such as tube sheets, condenser tubes, and other marine equipment. It is primarily composed of copper (Cu), zinc (Zn), and a small amount of tin (Sn). Heres a breakdown of the composition of C46400 naval brass:

Copper (Cu): Approximately 59-62%

Zinc (Zn): Approximately 38-39%

Tin (Sn): Approximately 0.5-1.0%

Naval brass C46400 tube sheet property

1. Corrosion Resistance: Naval brass C46400 is highly resistant to corrosion in marine environments, including exposure to saltwater and brackish water. This corrosion resistance is due to the alloys composition, which includes a significant amount of copper and zinc, along with a small amount of tin.

2. Strength and Ductility: C46400 naval brass offers a good balance of strength and ductility. It can be easily machined, formed, and welded, making it suitable for various manufacturing processes.

3. Antimicrobial Properties: Copper-based alloys like naval brass have inherent antimicrobial properties. They can help inhibit the growth of harmful microorganisms on the surface, which can be beneficial in certain marine applications where biofouling is a concern.

4. Heat Conductivity: Naval brass has good heat conductivity, which makes it useful in heat exchanger applications. It can efficiently transfer heat from one fluid to another, making it valuable in the cooling systems of marine engines and other equipment.

5. Machinability: Naval brass C46400 is known for its excellent machinability. It can be easily cut, drilled, and shaped, making it a preferred material for components that require precision machining.

6. Applications: In addition to tube sheets, C46400 naval brass is used in various marine applications, including propellers, fasteners, valves, fittings, pump components, and decorative elements on ships and boats.

7. Standards and Specifications: This alloy is often specified according to various standards and specifications, including ASTM B171, ASTM B21 (for plate, sheet, strip, and rolled bar) and ASTM B124/B124M (for rod, bar, and shapes).

8. Maintenance: While naval brass is highly corrosion-resistant, it may still require maintenance and cleaning to preserve its appearance and performance in marine environments. Regular cleaning and protective coatings can help extend its lifespan.

Tube sheets made from naval brass C46400 are used in heat exchangers and condensers in marine environments where corrosion resistance and durability are essential. These tube sheets are typically used to support and secure tubes in heat exchanger and condenser units, and they play a crucial role in the efficiency and reliability of these systems.

Naval brass C46400 tube sheet