EN 12166 Grade CuSn8 O50

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Description

CuSn8, mat. No. CW453K, is comparable to the DIN-make CuSn8, mat. No. 2.1030, acc. to DIN 17662 : 1983-12. Properties of the CuSn-alloy are predominantly determined by the tin-content. Tensile strength, yield point and hardness increase according to the rising cold forming grade, elongation after fracture decreases. Electrical and thermal conductivity are lower than for pure copper. Very high resistance to corrosion, particularly to atmospheric influences, seawater, sulfite liquor, carbonated and salted mine water. The alloys are stress corrosion-proof. Processing properties: warm forming: medium cold forming: very good machinability: medium hard soldering: good soft soldering: good gas shielded welding: good burnishing: good Application: For friction elements, especially for thin-walled friction-bearing bushings and sliding strips as well as for beater bars. Increased abrasion and corrosion resistance compared to CuSn6. 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

PropertyTemperatureValue

Densidad

20.0 °C

8.79 - 8.8 g/cm³

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Mecánica

PropertyTemperatureValue

Coeficiente de Poisson

20.0 °C

0.34 [-]

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Módulo elástico

20.0 °C

115 GPa

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Resistencia a la tracción

25.0 °C

680 MPa

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75.0 °C

650 MPa

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125.0 °C

750 MPa

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175.0 °C

700 MPa

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225.0 °C

490 MPa

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275.0 °C

300 MPa

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325.0 °C

230 MPa

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375.0 °C

200 MPa

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425.0 °C

170 MPa

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475.0 °C

110 MPa

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525.0 °C

110 MPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

20.0 °C

377 J/(kg·K)

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Coeficiente de dilatación térmica

100.0 °C

1.8E-5 1/K

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300.0 °C

1.82E-5 1/K

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400.0 °C

1.87E-5 1/K

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650.0 °C

2.22E-5 1/K

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800.0 °C

2.18E-5 1/K

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Conductividad térmica

20.0 °C

67 W/(m·K)

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200.0 °C

81 W/(m·K)

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Eléctrico

PropertyTemperatureValue

Conductividad eléctrica

20.0 °C

7.50E+6 S/m

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200.0 °C

6.50E+6 S/m

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Resistividad eléctrica

20.0 °C

1.33E-7 Ω·m

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200.0 °C

1.54E-7 Ω·m

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Specific Electrical conductivity

13 % IACS

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Chemical properties

PropertyValue

Estaño

7.5 - 8.5 %

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Fósforo

0.01 - 0.4 %

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Hierro

0.1 %

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Níquel

0.2 %

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Plomo

0.02 %

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Zinc

0.2 %

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