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EN 12166 CuZn35Pb2 (H080) – High-Performance Brass Alloy

Material CuZn35Pb2, mat. No. CW601N, is an unhardenable wrought alloy. To the comparable make CuZn36Pb1,5, mat. No. 2.0331 acc. to DIN 17660 : 1983-12 applies: High hardness and strength parameter are achievable by cold forming only. Thermal and electrical conductivity are lower than for the unleaded brass grade of the same Zn-content. Machinability is improved by Pb-addition. Corrosion resistance to water, several saline solutions and organic liquids is also lower than for unleaded alloys of the same zinc-content. Processing properties: warm forming: good cold forming: good machinability: very good hard soldering: moderately soft soldering: very good TIG-welding: unfavorable burnishing: very good Application: Wheels for circuit boards in watch industry, matrices for printing industry, clamps for electrical engineering, nipples, screws.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.46 - 8.5 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

105 - 110 GPa

Hardness, Brinell

20.0 °C

80 - 130 [-]

Hardness, Vickers

20.0 °C

80 - 140 [-]

Shear modulus

20.0 °C

39 GPa

Tensile strength

20.0 °C

350 MPa

Yield strength Rp0.2

20.0 °C

160 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

200.0 °C

2.04E-5 1/K

Melting point

875 - 1075 °C

Typical for Wrought Copper Brass

Specific heat capacity

23.0 °C

371 - 418 J/(kg·K)

Typical for Wrought Copper Brass

Thermal conductivity

20.0 °C

113 - 116 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

1.47E+7 S/m

Electrical resistivity

20.0 °C

6.8E-8 Ω·m

Specific Electrical conductivity

25 % IACS

Chemical properties

PropertyValue

Aluminium

0.05 %

Copper

62 - 63.5 %

Iron

0.1 %

Lead

1.6 - 2.5 %

Nickel

0.3 %

Tin

0.1 %


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