Leaded Brass Rod (Cu58/Zn39/Pb3)

Leaded Brass Rod (Cu58/Zn39/Pb3) is defined by its high machinability, strength, and resistance to corrosion, properties that arise from the synergistic combination of copper, zinc, and lead. The lead phase dispersed within the brass matrix significantly reduces tool wear, enhances chip breakage, and improves surface finish during high-speed machining. This makes it indispensable in industries such as automotive, aerospace, precision engineering, and electronics, where complex geometries and tight tolerances are critical. Specific applications include valve and fitting manufacturing, hydraulic components, and high-performance connectors, all of which demand both durability and process efficiency. Furthermore, research into leaded brass alloys continues to optimize their microstructure for fracture resistance and long-term reliability, advancing their role in structural and mechanical systems. The versatility and machinability of Leaded Brass Rod (Cu58/Zn39/Pb3) cement its value as a cornerstone material in industrial production and as an enabling resource for innovation in materials science and engineering.

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Tolerance

Properties

Reference & Citations

Serious health hazard

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	25
Modulus of elasticity( GPa )	97
Hardness - Vickers( kgf mm⁻² )	100-160
Tensile strength( MPa )	360-580

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	6.2
Temperature coefficient( K⁻¹ )	-

Thermal Properties

Element	Value
Melting point( C )	875
Specific heat( J K⁻¹ kg⁻¹ )	380@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	123@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	20.9@20-100°C