CuZn20Al2As Copper

Grade Name

CuZn20Al2As (also known as Aluminum Brass with Arsenic)

Product Features

• Excellent Corrosion Resistance: Particularly suitable for seawater and high-salinity environments.

• High Strength and Hardness: Enhanced by aluminum and arsenic additions.

• Good Wear Resistance: Ideal for high-friction applications.

• Superior Thermal Conductivity: Suitable for heat exchange applications.

• Antimicrobial Properties: Arsenic addition provides antimicrobial benefits, making it suitable for specific environments.

Common Product Forms and Specifications

Chemical Composition

Physical Properties

Mechanical Properties

Core Advantages

• Superior Corrosion Resistance: Especially in seawater and high-salinity environments.

• High Strength and Hardness: Enhanced by aluminum and arsenic additions.

• Good Wear Resistance: Suitable for high-friction applications.

• Antimicrobial Properties: Arsenic addition provides antimicrobial benefits.

• Environmental Friendliness: Low lead content, complies with environmental standards.

Product Applications

• Marine Engineering: Used in seawater desalination equipment, ship components, and heat exchangers.

• Chemical Industry: Suitable for corrosion-resistant pipes, valves, and pump bodies.

• Power Industry: Used in condenser tubes and heat exchangers.

• Automotive Industry: Used in bearings, bushings, and connectors.

• Healthcare: Suitable for antimicrobial applications in specific environments.

Processing Precautions

• Machining: Use high-speed steel or carbide tools with cooling lubrication.

• Welding Performance: Argon arc welding or brazing is recommended; avoid overheating to prevent performance degradation.

• Surface Treatment: Polishing, electroplating, or coating can enhance corrosion resistance.

• Storage Environment: Avoid contact with acidic or alkaline substances; keep dry and ventilated.

Main Application Scenarios

• Marine Engineering: Seawater desalination equipment, ship components, and heat exchangers.

• Chemical Industry: Corrosion-resistant pipes, valves, and pump bodies.

• Power Industry: Condenser tubes and heat exchangers.

• Automotive Manufacturing: Wear-resistant bearings, bushings, and connectors.

• Healthcare: Antimicrobial applications in specific environments.

Frequently Asked Questions

Q1: How is the corrosion resistance of CuZn20Al2As?

A1: CuZn20Al2As has excellent corrosion resistance, particularly in seawater and high-salinity environments.

Q2: Is this material suitable for high-temperature environments?

A2: CuZn20Al2As has a high melting point (900-920°C) and can be used in high-temperature environments, but prolonged exposure may degrade performance.

Q3: How difficult is it to process CuZn20Al2As?

A3: This material has good machinability and ductility, making it easy to process and suitable for various forming techniques.

Q4: How environmentally friendly is CuZn20Al2As?

A4: The material has low lead content, complies with environmental standards, and is suitable for industries with high environmental requirements.

Standard References

• International Standard: ISO 426-1 (Chemical composition and properties of copper-zinc alloys).

• Chinese Standard: GB/T 5231 (Chemical composition and product forms of wrought copper and copper alloys).

• American Standard: ASTM B36 (Standard specification for brass plate, sheet, strip, and rolled bar).