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

This material data has been provided by Matmatch.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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Properties

Mechanical

Property	Temperature	Value
Elongation	23.0 °C	12 - 15 % Show Material materials with Elongation of 12 - 15 %
Tensile strength	23.0 °C	440 - 460 MPa Show Material materials with Tensile strength of 440 - 460 MPa
Yield strength	23.0 °C	210 - 250 MPa Show Material materials with Yield strength of 210 - 250 MPa

Chemical properties

Property	Value
Aluminium	0.1 % Show Material materials with Aluminium of 0.1 %
Copper	58 % Show Material materials with Copper of 58 %
Iron	0.7 % Show Material materials with Iron of 0.7 %
Tin	0.6 % Show Material materials with Tin of 0.6 %
Zinc	39 % Show Material materials with Zinc of 39 %

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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