Brass is an alloy of copper and zinc, known for its excellent corrosion resistance, high malleability, and good electrical conductivity. Its attractive golden color makes it a popular choice for decorative applications, such as jewelry and hardware. Additionally, brass is widely used in plumbing fittings, musical instruments, and electrical connectors due to its durability and ease of machining. With varying compositions, brass can be tailored for specific properties, making it a versatile material in various industries.

Physical Properties:
Property Value
Density 8.44 kg/m³
Melting Point 916°C
Modulus of Elasticity 103.4 GPa
Thermal Conductivity 116 W/m·K
Thermal Expansion 20.5×10-6/°C
Grade Chemical Composition Key Properties Applications
PB2 Cu: 58-63%, Pb: 2-3%, Zn: Balance Good machinability, excellent corrosion resistance Plumbing fittings, valve components
PB104 Cu: 61-63%, Pb: 2-4%, Zn: Balance High strength, excellent machinability Fasteners, electrical connectors
PB102 Cu: 63-65%, Pb: 0.5-1.5%, Zn: Balance Very good machinability, good wear resistance Precision machining, automotive parts
Chemical Composition :
Chemical Element %
Cu 62.00 – 64.00
Al 0.0 – 0.05
Fe 0.0 – 0.10
Pb 0.0 – 0.10
Ni 0.0 – 0.30
Others (total) 0.0 – 0.10
Sn 0.0 – 0.10
Zn Balance
Mechanical Properties :
Property Sheet Tube
Tensile Strength 300 – 550 MPa 440 Min MPa
Proof Stress 110 – 500 MPa 320 Min MPa
Elongation A50 mm 38 – 3% 10 Min %
Hardness Vickers 55 – 180 HV 115 Min HV
Hardness Brinell 110 Min HB