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BS CZ126 (CW707R) Arsenical Brass

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Description

CZ126 (CW707R) is an arsenical brass available in tubular form. It contains 70% copper 30% zinc with a small addition of arsenic, which improves the corrosion resistance without affecting the ductility and forming characteristics of the material. With reasonable strength levels this alloy is utilised in heat exchangers, condensers and in other components requiring general purpose tube. This material offers a good workability and can be manipulated by a number of techniques. It also lends itself to soldering and brazing.

Related Standards

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

Properties

Mechanical

PropertyTemperatureValue

Hardness, Vickers

23.0 °C

130 [-]

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Tensile strength

23.0 °C

400 MPa

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Chemical properties

PropertyValue

Arsenic

0.04 %

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Copper

70 %

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Zinc

30 %

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Technological properties

Property
Application areas

Chemical processing: Heat exchangers and condensers

Corrosion properties

With an addition of arsenic that improves the corrosion resistance

General machinability

Good machining