60/40 BRASS
Lead-Free Brass 60/40, also known as Muntz Metal or Yellow Metal, is a copper-zinc alloy known for its high strength and excellent corrosion resistance. This brass alloy is used in various applications that require durability and good mechanical properties.
Composition
- Copper (Cu): 60%
- Zinc (Zn): 40%
- Lead (Pb): <0.09% (Lead Free)
GRADES
CZ109:
- British Standard designation for 60/40 Brass.
- Used for general engineering and industrial applications.
JIS H3250 C2800:
- Japanese Industrial Standard for copper and copper alloy seamless tubes.
- C2800: Japanese designation for 60/40 Brass.
Properties:
- Corrosion Resistance:
- Excellent resistance to corrosion in marine and industrial environments.
- High resistance to dezincification and stress corrosion cracking.
- Mechanical Properties:
- Tensile Strength:Typically around 350-600 MPa.
- Yield Strength: Approximately 150-250 MPa.
- Elongation: Generally around 15-35%, indicating good ductility
- Hardness: Moderate to high hardness, with a typical Brinell hardness number (HB) of around 100-150.
- Thermal and Electrical Conductivity:
- Good thermal conductivity, making it suitable for heat exchanger and other thermal applications.
- Moderate electrical conductivity, less than pure copper but sufficient for many industrial uses.
Applications:
- Marine Applications: Used extensively in shipbuilding, propellers, and other marine hardware due to its excellent resistance to seawater corrosion.
- Industrial Applications: Employed in various industrial equipment, including fasteners, valves, and fittings requiring good mechanical strength and corrosion resistance.
- Architectural Applications: Utilized in decorative and architectural elements due to its aesthetic appearance and workability.
- Plumbing and Heating: Used in plumbing systems, fittings, and valves.
