EN 12166 Grade CuZn20 H04

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Description

CuZn20 (CW503L) is an unhardenable wrought alloy. High hardness and strength parameter are achievable by cold forming only. Thermal and electrical conductivity are worse than for CuZn15. Corrosion resistance is similar to pure copper. Processing properties: warm forming: moderately cold forming: good machinability: moderately hard and soft soldering: very good TIG-welding: good burnishing: very good CuZn20 is used for metal goods, in jewelry industry and automotive electrics as well as for metall hoses and manometer. For the electrolytically tinned strip the coatings (Sn bright, Sn matt, Sn fuzed, SnPb) are listed by the application (better solderability, better corrosion resistance, reduction of the electrical contact resistance, better appearance) in the DIN EN 14436 : 2004-11 (Table 5)

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por WIAM.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

Mecánica

PropertyTemperatureValueComment

Dureza Vickers

20.0 °C

165 [-]

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Límite elástico Rp 0,2

20.0 °C

530 - 590 MPa

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Módulo de cizallamiento

23.0 °C

40 GPa

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Typical for Wrought Copper Brass

Módulo elástico

23.0 °C

100 - 125 GPa

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Typical for Wrought Copper Brass

Resistencia a la tracción

20.0 °C

540 - 600 MPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

23.0 °C

371 - 418 J/(kg·K)

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Typical for Wrought Copper Brass

Coeficiente de dilatación térmica

23.0 °C

1.7E-5 - 2.1E-5 1/K

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Typical for Wrought Copper Brass

Conductividad térmica

23.0 °C

100 - 234 W/(m·K)

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Typical for Wrought Copper Brass

Temperatura de fusión

875 - 1075 °C

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Typical for Wrought Copper Brass

Chemical properties

PropertyValue

Aluminio

0.02 %

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Cobre

79 - 81 %

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Estaño

0.1 %

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Hierro

0.05 %

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Níquel

0.3 %

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Plomo

0.05 %

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