65/35 BRASS
Lead-Free Brass 65/35, also known as 65/35 Brass or Yellow Brass, is a copper-zinc alloy that offers a good balance of strength, ductility, and corrosion resistance. It is commonly used in applications requiring mechanical robustness and moderate conductivity.
Composition
- Copper (Cu): 65%
- Zinc (Zn): 35%
- Lead (Pb): <0.09% (Lead Free)
GRADES
ASTM B 135 C 27000:
- ASTM B135: Standard Specification for Seamless Brass Tube.
- C27000: Designation for 65/35 Brass in this standard.
CuZn35:
- General designation for 65/35 Brass, indicating 65% Copper and 35% Zinc.
Properties:
- Corrosion Resistance:
- Good resistance to corrosion in various environments, including freshwater and mildly acidic conditions.
- Resistance to dezincification and stress corrosion cracking.
- Mechanical Properties:
- Tensile Strength:Typically around 380-560 MPa.
- Yield Strength: Approximately 100-200 MPa.
- Elongation: Generally around 25-40%, indicating good ductility
- Hardness: Moderate hardness, with a typical Brinell hardness number (HB) of around 80-120.
- Thermal and Electrical Conductivity:
- Good thermal conductivity suitable for heat exchanger and other thermal applications.
- Moderate electrical conductivity, less than pure copper but sufficient for many industrial uses.
Applications:
- Plumbing and Heating: Used in plumbing systems, fittings, and valves due to its corrosion resistance and mechanical properties.
- Industrial Applications: Employed in various industrial equipment, including marine hardware, fasteners, and components requiring good mechanical strength.
- Electrical Applications: Used in electrical connectors and components where moderate conductivity is sufficient.
- Architectural Applications: Utilized in decorative and architectural elements due to its aesthetic appearance and workability.
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