EN 12166 Grade CuNi18Zn20 H04

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Description

Material CuNi18Zn20, mat. No. CW409J is an alloy of high strength and hardness. To the comparabel mark CuNi18Zn20, mat. No. 2.0740, acc. to DIN 17663 : 1983-12 applies: Strength is further increasable due to the high strain hardening capability. The material does not embrittle at low temperatures. Low electrical and thermal conductivity. The alloy is non-magnetic, corrosion resistance is better than for pure copper. Processing properties: warm forming: moderately cold forming: very good machinability: moderately hard and soft soldering: very good TIG-welding: very good burnishing: very good Application: In electrical engineering and electronics for springs, contacts, membranes as well as in precision engineering and in equipment manufacturing. In food industry, for musical instruments, glasses frames, safety keys as well as in construction trade for paneling, show-cases and stairrails.

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.

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Lectura sugerida

Properties of Copper

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Propiedades

General

Property	Temperature	Value	Comment
Densidad	23.0 °C	8.4 - 8.9 g/cm³ Show Material materials with Densidad of 8.4 - 8.9 g/cm³	Typical for Wrought Copper Nickel Silver Grade

Mecánica

Property	Temperature	Value	Comment
Coeficiente de Poisson	23.0 °C	0.32 [-] Show Material materials with Coeficiente de Poisson of 0.32 [-]	Typical for Wrought Copper Nickel Silver Grade
Dureza Vickers	20.0 °C	200 - 235 [-] Show Material materials with Dureza Vickers of 200 - 235 [-]
Límite elástico Rp 0,2	20.0 °C	640 - 730 MPa Show Material materials with Límite elástico Rp 0,2 of 640 - 730 MPa
Módulo elástico	23.0 °C	120 - 140 GPa Show Material materials with Módulo elástico of 120 - 140 GPa	Typical for Wrought Copper Nickel Silver Grade
Resistencia a la tracción	20.0 °C	660 - 880 MPa Show Material materials with Resistencia a la tracción of 660 - 880 MPa

Aplicaciones térmicas

Property	Temperature	Value	Comment
Calor específico	23.0 °C	377 J/(kg·K) Show Material materials with Calor específico of 377 J/(kg·K)	Typical for Wrought Copper Nickel Silver Grade
Coeficiente de dilatación térmica	23.0 °C	1.6E-5 - 1.9E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.6E-5 - 1.9E-5 1/K	Typical for Wrought Copper Nickel Silver Grade
Conductividad térmica	23.0 °C	21 - 116 W/(m·K) Show Material materials with Conductividad térmica of 21 - 116 W/(m·K)	Typical for Wrought Copper Nickel Silver Grade
Temperatura de fusión		875 - 1135 °C Show Material materials with Temperatura de fusión of 875 - 1135 °C	Typical for Wrought Copper Nickel Silver Grade

Chemical properties

Property	Value
Cobre	60 - 63 % Show Material materials with Cobre of 60 - 63 %
Estaño	0.03 % Show Material materials with Estaño of 0.03 %
Hierro	0.3 % Show Material materials with Hierro of 0.3 %
Manganeso	0.5 % Show Material materials with Manganeso of 0.5 %
Níquel	17 - 19 % Show Material materials with Níquel of 17 - 19 %
Plomo	0.03 % Show Material materials with Plomo of 0.03 %

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