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CW617N (CuZn40Pb2) – The All-Round Brass Alloy for Demanding Applications

CW617N, also known as CuZn40Pb2, is a proven brass alloy consisting of 58% copper, 40% zinc, and 2% lead. This composition provides an excellent combination of strength, corrosion resistance, and outstanding machinability. Thanks to its versatility, CW617N is valued across various industries, including sanitary engineering, the automotive industry, and mechanical engineering.

Key Properties of CW617N (CuZn40Pb2)

Excellent Machinability
The 2% lead content significantly improves machinability, enabling efficient production of precise components.

High Corrosion Resistance
CW617N resists moisture and chemical exposure, making it ideal for use in demanding environments.

Excellent Mechanical Properties
The alloy offers high tensile and compressive strength while maintaining flexibility for a wide range of applications.

Versatile Processing
CW617N is perfectly suited for forging, stamping, and machining processes, enabling broad application possibilities.

Technical Specifications and Composition

  • Material Number: CW617N
  • Standard Designation: CuZn40Pb2 (Copper-Zinc-Lead Alloy)
  • Composition:
    • Copper (Cu): approx. 58%
    • Zinc (Zn): approx. 40%
    • Lead (Pb): approx. 2%
  • Forms: Bars, tubes, profiles, and forged parts
  • Strength: High tensile and compressive strength
  • Processing: Excellent for forging and machining operations
  • Surface Finishes: Available raw, polished, or coated

Applications of CW617N (CuZn40Pb2)

Sanitary Engineering

CW617N is widely used in fittings, valves, faucets, and other potable water applications due to its hygienic properties and durability.

Automotive Industry

Used in injector valves, connectors, and other components that require precision machining and mechanical stability.

Mechanical Engineering

Employed in gears, bushings, coupling parts, and other mechanical components requiring corrosion resistance and strength.

Energy Technology

Ideal for electrical connectors, switch components, and other parts requiring mechanical strength and moderate conductivity.

Conclusion

CW617N (CuZn40Pb2) is one of the most versatile brass alloys, offering excellent machinability, corrosion resistance, and mechanical performance. Whether in sanitary systems, the automotive sector, or mechanical engineering – CW617N is the ideal choice for durable and precise components.

Frequently Asked Questions (FAQ) – CW617N (CuZn40Pb2)

1. What is CW617N (CuZn40Pb2)?

CW617N is a brass alloy with 58% copper, 40% zinc, and 2% lead, known for its versatility and excellent machinability.

2. What are the main applications of CW617N?

The alloy is commonly used in sanitary engineering, the automotive industry, mechanical engineering, and construction.

3. What forms is CW617N available in?

CW617N is available as bars, tubes, profiles, and forged parts. Custom cuts are also possible.

4. Why is CW617N easy to machine?

The 2% lead content greatly enhances chip formation and enables the production of precise and complex components.