EN 1652 Grade CuSn3Zn9 H110

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Description

Material CuSn3Zn9, mat. No. CW454K, is predominantly used in electrical engineering. The multicomponent alloy is characterized by a considerably lower stress corrosion sensitivity compared to the copper-zinc-alloys. The spring properties come up to alloy CuSn4 (CW450K). 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

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

8.75 - 8.8 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

126 GPa

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Hardness, Vickers

20.0 °C

110 - 140 [-]

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Poisson's ratio

20.0 °C

0.34 [-]

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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

1.83E-5 1/K

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300.0 °C

1.85E-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

380 J/(kg·K)

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200.0 °C

410 J/(kg·K)

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Thermal conductivity

20.0 °C

120 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

1.60E+7 S/m

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Specific Electrical conductivity

28 % IACS

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Chemical properties

PropertyValue

Iron

0.1 %

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Lead

0.1 %

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Nickel

0.2 %

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Phosphorus

0.2 %

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Tin

1.5 - 3.5 %

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Zinc

7.5 - 10 %

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