CEN/TS 13388: CW352H R300 – High‑Strength Copper‑Nickel Alloy Specifications
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.9 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | 23.0 °C | 130 GPa |
Elongation | 23.0 °C | 25 % |
Hardness, Vickers | 23.0 °C | 90 [-] |
Tensile strength | 23.0 °C | 300 MPa |
Yield strength Rp0.2 | 23.0 °C | 120 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 20.0 °C | 1.7E-5 1/K | |
100.0 °C | 1.7E-5 1/K | ||
Melting point | 1100 - 1145 °C | ||
Specific heat capacity | 23.0 °C | 375 - 398 J/(kg·K) | Typical for Wrought Copper Nickel Grade |
Thermal conductivity | 23.0 °C | 46 W/(m·K) | |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 23.0 °C | 5.30E+6 S/m |
Electrical resistivity | 23.0 °C | 1.89E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.05 % |
Cobalt | 0.1 % |
Iron | 1 - 2 % |
Lead | 0.02 % |
Manganese | 0.5 - 1 % |
Nickel | 9 - 11 % |
Other | Rest Cu, total 0.2 |
Phosphorus | 0.02 % |
Sulfur | 0.05 % |
Tin | 0.3 % |
Zinc | 0.5 % |
Technological properties
| Property | ||
|---|---|---|
| Brazing | hard brazing : very good, soft brazing: very good | |
| Workability | Cold forming degree between anneals: max. 80 %, general (condition): very good | |
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