EN 1652 Grade CuNi9Sn2 R340

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Description

CuNi9Sn2 (CW351H) is comparable to CuNi9Sn2, mat. no. 2.0875, acc. to DIN 17664 : 1983-12. To the comparable DIN-mark applies: The material shows high strength specific values as well as favorable tarnish-proofness and a very good stress relaxation behaviour in spring-hard condition. CuNi9Sn2 has sufficient electrical and thermal conductivity. Favorable corrosion resistance in natural resp. industrial atmosphere. Also resistance to different waters, humidity, non-oxidizing acids, bases and saline solutions. No risk of stress corrosion. Processing properties: warm forming: good cold forming: very good machinability: unfavorable hard soldering: very good soft soldering: very good gas-shielded welding: very good burnishing: very good Application: For elastic components in relay, pushbutton switchers, connectors and receptacles in communications engineering, in EDP-systems, in consumer electronics equipment and in automobile electronics, for switcher components, soldering tags and frames, boxes for electrical components, carrier plates for integrated circuits an for conductor board pens. 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.

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Propiedades

General

Property	Temperature	Value
Densidad	20.0 °C	8.89 - 8.9 g/cm³ Show Material materials with Densidad of 8.89 - 8.9 g/cm³

Mecánica

Property	Temperature	Value
Coeficiente de Poisson	20.0 °C	0.34 [-] Show Material materials with Coeficiente de Poisson of 0.34 [-]
Elongación	20.0 °C	40 % Show Material materials with Elongación of 40 %
Elongación A50	20.0 °C	30 % Show Material materials with Elongación A50 of 30 %
Límite elástico Rp 0,2	20.0 °C	250 MPa Show Material materials with Límite elástico Rp 0,2 of 250 MPa
Módulo elástico	20.0 °C	140 GPa Show Material materials with Módulo elástico of 140 GPa
Resistencia a la tracción	20.0 °C	340 - 410 MPa Show Material materials with Resistencia a la tracción of 340 - 410 MPa

Aplicaciones térmicas

Property	Temperature	Value	Comment
Calor específico	20.0 °C	370 J/(kg·K) Show Material materials with Calor específico of 370 J/(kg·K)
	100.0 °C	390 J/(kg·K) Show Material materials with Calor específico of 390 J/(kg·K)
	200.0 °C	410 J/(kg·K) Show Material materials with Calor específico of 410 J/(kg·K)

Coeficiente de dilatación térmica	100.0 °C	1.55E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.55E-5 1/K
	200.0 °C	1.59E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.59E-5 1/K
	300.0 °C	1.66E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.66E-5 1/K
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Conductividad térmica	20.0 °C	48 W/(m·K) Show Material materials with Conductividad térmica of 48 W/(m·K)
	100.0 °C	56 W/(m·K) Show Material materials with Conductividad térmica of 56 W/(m·K)
	200.0 °C	65 W/(m·K) Show Material materials with Conductividad térmica of 65 W/(m·K)
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Temperatura de fusión		915 - 1240 °C Show Material materials with Temperatura de fusión of 915 - 1240 °C	Typical for Wrought Copper Nickel Grade

Eléctrico

Property	Temperature	Value
Conductividad eléctrica	20.0 °C	6.40E+6 S/m Show Material materials with Conductividad eléctrica of 6.40E+6 S/m
Specific Electrical conductivity		11 % IACS Show Material materials with Specific Electrical conductivity of 11 % IACS

Chemical properties

Property	Value
Estaño	1.8 - 2.8 % Show Material materials with Estaño of 1.8 - 2.8 %
Hierro	0.3 % Show Material materials with Hierro of 0.3 %
Manganeso	0.3 % Show Material materials with Manganeso of 0.3 %
Níquel	8.5 - 10.5 % Show Material materials with Níquel of 8.5 - 10.5 %
Plomo	0.03 % Show Material materials with Plomo of 0.03 %
Zinc	0.1 % Show Material materials with Zinc of 0.1 %

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