BS CZ121 (CW614N) Free Machining Brass

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Description

2.0401 (CuZn39Pb3) is a free-machining brass consisting of a duplex phase structure with a 3% lead content. It is suited to high speed machining operations due its superior machinability, thread rolling and knurling characteristics. Particles of lead are finely dispersed throughout the microstructure, acting as both a lubricant and a chip breaker to give the alloy its free-machining characteristics. 2.0401 (CuZn39Pb3) machinability rating of 100 is the standard against which all copper alloys are rated. It offers good strength, is easily soldered or brazed and has good resistance to corrosion. It shows the following features and properties:

Free machining

Good corrosion resistance

Good strength levels

Related Standards

Equivalent Materials

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Ashby charts

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Empfohlene Literatur

Properties of Copper

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Eigenschaften

Mechanisch

Property	Temperature	Value
Dehnung	23.0 °C	15 - 25 % Show Material materials with Dehnung of 15 - 25 %
Zugfestigkeit	23.0 °C	350 - 425 MPa Show Material materials with Zugfestigkeit of 350 - 425 MPa

Chemical properties

Property	Value
Blei	3 % Show Material materials with Blei of 3 %
Kupfer	58 % Show Material materials with Kupfer of 58 %
Zink	39 % Show Material materials with Zink of 39 %

Technological properties

Property
Application areas	General: A wide variety of machined components usually made on high speed automatic lathes including nuts, bolts, screws, bushings, bearings, pins and washers, plug pins, switch terminals, lock bodies, hinges, extruded sections, door treads, window frames and trim
Corrosion properties	Good corrosion resistance
General machinability	Machinability rating: 100%

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