Copper Alloys, BrassCW721R (CZ114) Bar

A high tensile brass often referred to as manganese bronze.

CZ114/CW721R is the standard grade of high tensile brass and has a duplex structure. It contains alloying additions of aluminium, iron, and manganese to improve the strength levels compared with standard brasses and make this alloy ideal for more exacting applications.

CZ114/CW721R is a versatile high strength, hot workable, machinable engineering alloy sometimes referred to as a manganese bronze or high tensile brass. It is used for more exacting applications where strength and corrosion resistance are required.

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Product FormSize Range
Round Bar EN12163316"- 4"
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Related Specifications

CW721R/CZ114 brass corresponds to the following designations but may not be a direct equivalent:

  • UNS C67500
  • CZ114 is also sometimes called manganese bronze


Chemical Composition


  • Architectural applications
  • High strength components
  • Valves
  • Valve stems
  • Fittings
  • Marine fittings
  • Fasteners
  • Gears
  • Transmission components
  • Safety tools


  • High strength levels
  • Good corrosion resistance
  • Non sparking
  • Excellent weldability
  • Excellent hot forming properties
  • High machinability rating

Additional Information


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