Exploring the Versatile World of CuZn40Al2 Special Brass (Copper-Zinc-alloys) Slide Plates: A Key Material in Modern Engineering, 2.0550 – CuZn37Mn3Al2PbSi – CuZn40Al2 Bronze Slide Plate and bronze Strips

CuZn40Al2 2.0550 CuZn40Al2 slide plate , a distinguished member of the aluminum bronze alloy family, boasts an impressive composition primarily made up of copper (Cu), zinc (Zn), and aluminum (Al). Known for its superior mechanical properties and corrosion resistance, this alloy plays a pivotal role in various industrial applications.

The material CuZn40Al2, commonly known as a high-aluminum brass, is an alloy primarily composed of copper, zinc, and aluminum. Here’s a detailed report on its properties and typical applications:

Composition
Copper (Cu): 56% to 60%
Zinc (Zn): 37.5% to 42.5%
Aluminum (Al): 1.8% to 2.5%
Impurities: may include small amounts of iron, nickel, and lead for improved strength and corrosion resistance.
Properties
Mechanical Strength: This alloy exhibits higher strength and hardness compared to standard brasses due to the presence of aluminum.
Corrosion Resistance: It offers good resistance to corrosion in various environments, including seawater and industrial atmospheres, making it suitable for marine applications.
Machinability: While the inclusion of aluminum improves strength and corrosion resistance, it can slightly reduce machinability compared to other brasses.
Thermal Conductivity: Moderate thermal conductivity, suitable for components not subjected to high thermal stresses.
Elasticity and Ductility: Retains reasonable ductility, which allows it to be formed into complex shapes.
Applications
Marine Hardware: Used in marine environments for components like ship propellers and deck hardware due to its corrosion resistance.
Valve Components: Ideal for valve stems and components where strength and resistance to water corrosion are necessary.
Decorative Fittings: Used in architectural and decorative applications where its golden appearance is desirable.
Heat Exchanger Tubes: Applicable in heat exchangers and condenser tubes, especially in marine settings.
Fabrication and Processing
Forming: Can be hot or cold worked but performs best with hot forming techniques.
Welding: Weldable by most standard methods; however, care must be taken to select appropriate fillers and avoid overheating.
Casting: Suitable for various casting methods, offering good fluidity and casting detail.
This alloy is a versatile material suited for applications requiring a combination of strength, corrosion resistance, and aesthetic appeal. Its specific characteristics may vary slightly depending on the exact composition and treatment during manufacturing, so it’s advisable to refer to the manufacturer’s datasheet or specific material certifications for precise properties in critical applications.

The alloy CuZn40Al2 has a density of approximately 8.1 g/cm³. The mechanical properties of CuZn40Al2 vary depending on its condition, and here are some key parameters:

Mechanical Properties

• Tensile Strength:

  • Semi-hard (F54): ≥540 MPa
  • Hard (F59): ≥590 MPa
  • Hard and tough (F64): ≥640 MPa

• Yield Strength:

  • Semi-hard (F54): ≥240 MPa
  • Hard (F59): ≥270 MPa
  • Hard and tough (F64): ≥310 MPa

• Elongation after Break:

  • Semi-hard (F54): ≥18%
  • Hard (F59): ≥14%
  • Hard and tough (F64): ≥10%

Additionally, CuZn40Al2 exhibits excellent machinability and corrosion resistance, making it suitable for a variety of industrial applications.

Standards and Equivalent Materials

The relevant standards for CuZn40Al2 include:

• DIN 17660
• DIN 17672-1
• DIN 17671-1

Internationally, the equivalent material for this alloy is CW713R (European Standard).

This material report provides basic information on CuZn40Al2, helping to understand its potential applications in engineering and manufacturing contexts.

Cross-reference table
for CuZn40Al2 (DIN, WNr )   and its European equivalent CuZn37Mn3Al2PbSi ( EN )

 

 

EU EN	Germany DIN,
CuZn37Mn3Al2PbSi	2.0550 CuZn40Al2

Comparable Specifications:: CuZn40Al2, 2.0550, DIN 17660, CuZn40Al2 Special Brass: Robust Copper-Zinc Alloy for Engineering Applications

CuZn40Al2, a special brass alloy, stands out as a high-strength construction material notable for its excellent resistance to atmospheric corrosion, mildly aggressive waters, gases, and oil-based corrosion. This alloy is tailored for applications requiring high sliding stress endurance and superior wear resistance. It offers medium machinability, making it a practical choice for various engineering components.

Key Uses and Properties

Primarily used in mechanical engineering, this alloy is ideal for fabricating:

• Slide bearings
• Valve guides
• Gear components
• Piston rings

CuZn40Al2 is particularly well-suited for construction parts that demand robust performance under challenging environmental conditions and mechanical stress.

Composition and Properties

CuZn40Al2 contains approximately 40% copper and a notable 2% aluminum, with zinc making up the rest. This specific blend yields an alloy with a tensile strength that can reach up to 450 MPa, a yield strength around 330 MPa, and an elongation rate of about 20%. These mechanical characteristics make CuZn40Al2 particularly suitable for manufacturing tools, mechanical components, and automotive parts.

Applications in Industry

One of the standout features of CuZn40Al2 is its excellent corrosion resistance, which makes it a prime candidate for use in marine engineering and chemical processing environments. Its ability to withstand harsh conditions, including exposure to seawater and acidic environments, adds to its versatility and appeal in demanding sectors.

Electrical and Thermal Conductivity

Moreover, CuZn40Al2 is not just about strength and durability; it also exhibits good electrical and thermal conductivity. Thanks to its substantial copper content, it is widely utilized in electrical engineering projects where high conductivity is required. The alloy’s density is approximately 8.1 g/cm³, adhering to the German standard DIN 17671-1-1983, under the designation 2.0550, commonly referred to as special brass.

Chemical Composition and Standards

The chemical composition of CuZn40Al2 typically ranges from 56.5% to 59% copper, with aluminum content between 1.3% and 2.3%. Zinc serves as the balance, while other elements such as iron, silicon, manganese, nickel, lead, and tin are also present in specific quantities. This careful formulation helps maintain its properties across a wide range of applications.

CuZn40Al2 Slide Plate

In summary, CuZn40Al2 is a well-rounded copper alloy that offers a blend of durability, conductivity, and resistance to corrosion, making it an excellent choice for various industrial applications. Whether it’s in tool making, automotive parts production, or marine and chemical processing, CuZn40Al2 stands as a reliable material that engineers and manufacturers can depend on for high-performance solutions.