EN 12166 Grade CuZn15 H04

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CuZn15 (CW502L) is an unhardenable wrought alloy. High hardness and strength parameter are achievable by cold forming only. Thermal and electrical conductivity are lower than for CuZn10. Corrosion resistance is similar to pure copper. Processing properties: warm forming: moderately cold forming: good machinability: moderately hard and soft soldering: very good TIG-welding: good burnishing: very good CuZn15 is used in electrical engineering, for metal goods as well as in jewelry industry, for metall hoses, pressure measuring instruments, signs, casings and suspension bodies. 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)

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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.

Ashby charts




Elastic modulus

23.0 °C

100 - 125 GPa

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Typical for Wrought Copper Brass

Hardness, Vickers

20.0 °C

165 [-]

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Shear modulus

23.0 °C

40 GPa

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Typical for Wrought Copper Brass

Tensile strength

20.0 °C

540 - 600 MPa

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Yield strength Rp0.2

20.0 °C

530 - 590 MPa

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Coefficient of thermal expansion

23.0 °C

1.7E-5 - 2.1E-5 1/K

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Typical for Wrought Copper Brass

Melting point

875 - 1075 °C

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Specific heat capacity

23.0 °C

371 - 418 J/(kg·K)

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Thermal conductivity

23.0 °C

100 - 234 W/(m·K)

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Typical for Wrought Copper Brass

Chemical properties



0.02 %

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84 - 86 %

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0.05 %

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0.05 %

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0.3 %

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0.1 %

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