ZA9 - CuZn19Al6MnFe

Alternative and trade names
HT31
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Description

Wrought beta brass aerospace alloy, with high mechanical properties, good anti-friction properties, resistance to oxidation.

Related Standards

Equivalent Materials

This material data has been provided by Lebronze Alloys.

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.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

7.6 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

110 GPa

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Elongation

23.0 °C

7 - 10 %

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Hardness, Brinell

23.0 °C

225 [-]

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Hardness, Rockwell C

23.0 °C

20 [-]

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Hardness, Vickers

23.0 °C

227 [-]

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Tensile strength

23.0 °C

780 - 830 MPa

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Yield strength

23.0 °C

540 - 590 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.7E-5 1/K

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for 20-200°C

Thermal conductivity

23.0 °C

35 W/(m·K)

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for 20-200°C

Electrical

PropertyTemperatureValue

Electrical conductivity

23.0 °C

3.00E+6 S/m

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Magnetic

PropertyTemperatureValue

Relative magnetic permeability

23.0 °C

1.2 [-]

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Technological properties

Property
Application areas

Summary of typical applications: Rings (friction-guidance) for landing gears

Corrosion properties

Corrosion resistance rating: 3 out of 5

General machinability

Machinability: 30 %