EN 12166 CuZn35Pb2 Brass Alloy – Grade R480
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
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8.46 - 8.5 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | 20.0 °C | 105 - 110 GPa |
Elongation | 20.0 °C | 8 % |
Elongation A100 | 20.0 °C | 2 - 3 % |
Elongation A11.3 | 20.0 °C | 5 % |
Shear modulus | 20.0 °C | 39 GPa |
Tensile strength | 20.0 °C | 480 MPa |
Yield strength Rp0.2 | 20.0 °C | 350 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
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
| Property | Temperature | Value |
|---|---|---|
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
| Property | Value |
|---|---|
Aluminium | 0.05 % |
Copper | 62 - 63.5 % |
Iron | 0.1 % |
Lead | 1.6 - 2.5 % |
Nickel | 0.3 % |
Tin | 0.1 % |
Metal
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