CEN/TS 13388 Grade CW458K R450: Key Mechanical & Thermal Properties
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.8 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 110 - 130 GPa | Typical for Leaded Phosphor Bronze |
Elongation | 23.0 °C | 10 % | |
Elongation A100 | 23.0 °C | 6 % | |
Hardness, Brinell | 23.0 °C | 150 [-] | |
Hardness, Vickers | 23.0 °C | 150 [-] | |
Poisson's ratio | 23.0 °C | 0.33 [-] | Typical for Leaded Phosphor Bronze |
Tensile strength | 23.0 °C | 450 MPa | |
Yield strength Rp0.2 | 23.0 °C | 350 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.5E-5 - 1.9E-5 1/K | Typical for Leaded Phosphor Bronze |
Melting point | 930 - 1060 °C | ||
Specific heat capacity | 23.0 °C | 380 J/(kg·K) | Typical for Leaded Phosphor Bronze |
Chemical properties
| Property | Value |
|---|---|
Iron | 0.1 % |
Lead | 0.5 - 1.5 % |
Nickel | 0.2 % |
Other | Rest Cu, total 0.2 |
Phosphorus | 0.01 - 0.4 % |
Tin | 3.5 - 5.5 % |
Zinc | 0.3 % |
Technological properties
| Property | ||
|---|---|---|
| Brazing | hard brazing : good to medium, soft brazing: very good to good | |
| Workability | Cold forming degree between anneals: max. 75 %, general (condition): good to medium | |
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