EN 12164 Grade CuZn38Pb2 R490 – Premium Wrought Copper Brass Specification
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8.4 - 8.44 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 102 GPa | |
Elongation | 20.0 °C | 8 % | |
Elongation A10 | 20.0 °C | 6 % | |
Elongation A100 | 20.0 °C | 4 % | |
Shear modulus | 23.0 °C | 40 GPa | Typical for Wrought Copper Brass |
Tensile strength | 20.0 °C | 490 MPa | |
Yield strength Rp0.2 | 20.0 °C | 370 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 2E-5 1/K | |
300.0 °C | 2.1E-5 1/K | ||
Melting point | 875 - 1075 °C | Typical for Wrought Copper Brass | |
Specific heat capacity | 20.0 °C | 377 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 109 - 110 W/(m·K) | |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 20.0 °C | 1.39E+7 S/m |
Specific Electrical conductivity | 24 % IACS |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.05 % |
Copper | 60 - 61 % |
Iron | 0.2 % |
Lead | 1.6 - 2.5 % |
Nickel | 0.3 % |
Tin | 0.2 % |
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