EN 12164 Grade CuZn37Mn3Al2PbSi M

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Description

CuZn37Mn3Al2PbSi (CW713R former CuZn40Al2) is an unhardenable copper alloy. High hardness and strength parameter are achievable by cold forming only. Strength properties, corrosion resistance and oxidation resistance are increasable by Al-addition. CuZn37Mn3Al2PbSi shows a high wear resistance and is favorable resistant to atmospheric corrosion, to low aggressive water and gas, insensitive to oil corrosion. Processing properties: warm forming: very good cold forming: unfavorable machinability: moderately hard soldering: moderately soft soldering: unfavorable TIG-welding: moderately burnishing: very good Application for construction parts in machine engineering, for friction bearings, valve guides, transmission parts and piston rings.

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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

8.1 - 8.12 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

93 GPa

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Shear modulus

23.0 °C

40 GPa

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Typical for Wrought Copper Brass

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.95E-5 1/K

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300.0 °C

2.04E-5 1/K

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Melting point

875 - 1075 °C

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Typical for Wrought Copper Brass

Specific heat capacity

20.0 °C

377 J/(kg·K)

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Thermal conductivity

20.0 °C

63 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

7.80E+6 S/m

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Specific Electrical conductivity

13 - 13.4 % IACS

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Chemical properties

PropertyValue

Aluminium

1.3 - 2.3 %

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Copper

56.5 - 59 %

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Iron

1 %

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Lead

0.2 - 0.8 %

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Manganese

1.4 - 3 %

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Nickel

1 - 2 %

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Silicon

0.3 - 1.3 %

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Tin

0.4 - 0.5 %

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