C38500 Free-Cutting Brass Bar


Specifications:ASTM B455

Size: 2-400mm

Length: 2500-6000mm

Forms: Round bar

Delivery condition: Heat treated and cold worked

UNS C38500 is the European reference standard for free-cutting brass extruded shape. It offers excellent machinability, good resistance to corrosion, and moderate strength. The alloy has a wide range of applications used for where excellent machining performance is required, such as special machined or micro-machined components with or without electrical requirement, various connectors, valves, stem bearings in mechanical engineering.


C38500 Equivalent Material

Cu-Zn-Pb C38500 CZ121 CuZn39Pb3


C3603 HPb59-3



C38500 Chemical Composition

Cu Pb Zn Fe, max
55.0-59.0 2.5-3.5 Reminder 0.35


C38500 Mechanical Property

Temper Temper code Tensile strength, Mpa Yield strength, Mpa Elongation, %
Soft anneal R360 360 320 15
Half-hard R430 430 220) 7


C38500 Physical Properties

Density 8.40 gm/cc cm
Melting Point 875°C
Electrical Conductivity (Annealed) 6.17 µΩ·cm @ 20 °C
Thermal Conductivity 123 W/m·K @ 20 °C


Wiho metals is a fully stocked and leading metal manufacturer, supplier, exporters, distributors of steel mill-product in the forms of plate, tubing, bar and rod. The steel products provide by us shall be fabricated from prime quality raw materials and is fully certifiable to industrial specifications like ASTM and ASME or other relevant standards. Wiho metals supply and stock a large inventory of alloy Copper C38500 (CuZn39Pb3/ C3603) copper round bar in accordance with ASTM B455 used for free-cutting applications. For more information on our extensive copper alloys inventory, please contact us or fill in the form below.

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