BS CZ115 (CW722R) High Tensile Brass

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Description

CZ115 (CuZn40Mn1Pb1FeSn) is a duplex high tensile brass with a restricted aluminium content to facilitate soldering and brazing. Sometimes referred to as a manganese bronze, CZ115 (CW722R) has additions of iron, tin and manganese that benefit the physical and mechanical attributes of the alloy. The grade was developed to allow high strength brass components to be joined. The additions of tin and iron contribute to improved strength levels, with the tin content improving the corrosion resistance. CZ115 (CW722R) also offers good machinability, ease of hot forging and lends itself to finish plating.

Related Standards

BS 2874

Equivalent Materials

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Ashby charts

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Eigenschaften

Mechanisch

Property	Temperature	Value
Dehnung	23.0 °C	12 - 15 % Show Material materials with Dehnung of 12 - 15 %
Streckgrenze	23.0 °C	210 - 250 MPa Show Material materials with Streckgrenze of 210 - 250 MPa
Zugfestigkeit	23.0 °C	440 - 460 MPa Show Material materials with Zugfestigkeit of 440 - 460 MPa

Chemical properties

Property	Value
Aluminium	0.1 % Show Material materials with Aluminium of 0.1 %
Eisen	0.7 % Show Material materials with Eisen of 0.7 %
Kupfer	58 % Show Material materials with Kupfer of 58 %
Zink	39 % Show Material materials with Zink of 39 %
Zinn	0.6 % Show Material materials with Zinn of 0.6 %

Technological properties

Property
Application areas	General: Gas valves and fittings, fasteners, pump trim, gears, locks, heavy-duty electrical connectors, marine hardware, transmission components, safety tools and decorative metalwork
Corrosion properties	A very good corrosion resistance but not as high as CZ114.
General machinability	Readily machinable alloy

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