EN 12167 Grade CuZn43Pb2 R430

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Description

Material CuZn43Pb2, mat. No. CW623N, is an unhardenable wrought alloy. to the comparable make CuZn44Pb2, mat. No. 2.0410 acc. to DIN 17660 : 1983-12 applies: High hardness and strength parameter are achievable by cold forming only. Thermal and electrical conductivity are lower than for the unleaded brass grade of the same Zn-content. Machinability is improved by Pb-addition. Corrosion resistance to water, several saline solutions and organic liquids is also lower than for unleaded alloys of the same zinc-content. Processing properties: warm forming: very good cold forming: unfavorable machinability: very good hard soldering: moderately soft soldering: very good TIG-welding: unfavorable burnishing: very good Application: For thin-walled extruded profiles, e.g. construction profiles, handrails, stair rails, hinge profiles etc.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

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

20.0 °C

8.4 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

84 GPa

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Shear modulus

20.0 °C

31 GPa

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Tensile strength

20.0 °C

430 MPa

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Yield strength Rp0.2

20.0 °C

200 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

200.0 °C

2.12E-5 1/K

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Melting point

875 - 1075 °C

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Typical for Wrought Copper Brass

Specific heat capacity

23.0 °C

371 - 418 J/(kg·K)

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Typical for Wrought Copper Brass

Thermal conductivity

20.0 °C

126 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

1.64E+7 S/m

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Electrical resistivity

20.0 °C

6.1E-8 Ω·m

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Chemical properties

PropertyValue

Aluminium

0.05 %

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Copper

55 - 57 %

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Iron

0.3 %

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Lead

1.6 - 3 %

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Nickel

0.3 %

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Tin

0.3 %

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