EN 12168 Grade CuZn40Mn1Pb1AlFeSn H130 – Premium Copper‑Brass Rods & Forged Parts
Material CuZn40Mn1Pb1AlFeSn (CW721R) is used in the form of rods, hollow rods, profiles, forging prematerial and forged parts.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8.3 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 96 GPa | |
Hardness, Brinell | 20.0 °C | 130 [-] | |
Hardness, Vickers | 20.0 °C | 135 - 140 [-] | |
Shear modulus | 23.0 °C | 40 GPa | Typical for Wrought Copper Brass |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.7E-5 - 2.1E-5 1/K | Typical for Wrought Copper Brass |
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 | 88 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 20.0 °C | 9.00E+6 S/m |
Specific Electrical conductivity | 15.5 % IACS |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.3 - 1.3 % |
Copper | 57 - 59 % |
Iron | 0.2 - 1.2 % |
Lead | 0.8 - 1.6 % |
Manganese | 0.8 - 1.8 % |
Nickel | 0.3 % |
Tin | 0.2 - 1 % |
Metal
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