EN 12163 Grade CuZn30 H085

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Description

CuZn30 (CW505L) is an unhardenable wrought alloy. High hardness and strength parameter are achievable by cold forming only. Thermal and electrical conductivity are lower than for CuZn28. Corrosion resistance is similar to pure copper. Processing properties: warm forming: good cold forming: very good machinability: moderately hard and soft soldering: very good TIG-welding: good burnishing: very good CuZn30 is used for deep drawing components, musical instruments, hose tubes, springing elements, clockfaces and as cladding material. 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

8.5 - 8.55 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

114 GPa

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Hardness, Brinell

20.0 °C

80 - 115 [-]

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Hardness, Vickers

20.0 °C

85 - 125 [-]

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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

150.0 °C

1.9E-5 1/K

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300.0 °C

2E-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

377 J/(kg·K)

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Thermal conductivity

-200.0 °C

50 W/(m·K)

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20.0 °C

121 - 126 W/(m·K)

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200.0 °C

147 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

Aluminium

0.02 %

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Copper

69 - 71 %

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Iron

0.05 %

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Lead

0.05 %

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Nickel

0.3 %

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Phosphorus

0.2 %

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Tin

0.1 %

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