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Formula: Cu 63/Zn 37
Form: Rod
Material: Copper/Zinc (Brass)
Commodity: Alloys
Brass Rod (Cu63/Zn37) delivers a well-balanced combination of mechanical strength, corrosion resistance, and machinability, making it highly adaptable across manufacturing and engineering sectors. Its α-phase copper–zinc alloy structure offers good ductility and formability, enabling precise shaping for complex components without compromising durability. The 63% copper and 37% zinc composition also ensures stable electrochemical behavior, essential for electrical and marine applications. Industries such as precision engineering, plumbing, and electronics employ these rods for fittings, valve stems, and connector pins. Specific advancements in alloy processing have produced anti-dezincification and lead-free variants, improving service life in aggressive environments while meeting modern environmental standards. Research leveraging its structural and conductive properties extends into high-performance mechanical assemblies, energy systems, and electro-mechanical devices. This combination of workability, reliability, and performance stability underpins Brass Rod (Cu63/Zn37) as a cornerstone material in both industrial production and applied scientific innovation.
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Tolerances

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

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 65-136
Elongation at break( % ) 55
Modulus of elasticity( GPa ) 95-110
Shear strength( MPa ) 280-310
Tensile strength( MPa ) 330-500
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.2-6.6
Temperature coefficient( K⁻¹ ) 0.0016-0.0017
Thermal Properties
Element Value
Melting point( C ) 900-920
Thermal conductivity( W m⁻¹ K⁻¹ ) 125@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 19-20.5@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.45

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