EN 12164 Grade CuSP R300 – High-Performance Unhardenable Copper Alloy
CuSP, mat. No CW114C, is counted among unhardenable, low alloyed copper alloys. To the comparable make CuSP, mat. No 2.1498, acc. to DIN 17666 : 1983-12 applies: A strength increase is achievable only by cold forming. Already low S-contents increase the temperature for removal of workhardening to approx. 300°C. CuSP shows roughly the same electrical and thermal conductivity as pure copper. The corrosion resistance is equal to unalloyed copper. Processing properties: hot forming: moderately cold forming: good machinability: very good soft soldering: good hard soldering: moderately gas shielded welding: unfavorable burnishing: good Application: For screw machine parts and clamps in electronics, for nozzle, welding and cutting torches as well as for engine parts, valves and fittings.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8.9 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 120 GPa | |
Elongation | 20.0 °C | 5 % | |
Elongation A10 | 20.0 °C | 3 % | |
Elongation A100 | 20.0 °C | 2 % | |
Elongation A11.3 | 20.0 °C | 3 % | |
Hardness, Brinell | 20.0 °C | 95 - 130 [-] | |
Poisson's ratio | 23.0 °C | 0.34 [-] | Typical for Wrought Copper Pure / Low Alloyed Copper |
Shear modulus | 23.0 °C | 48 GPa | Typical for Wrought Copper Pure / Low Alloyed Copper |
Tensile strength | 20.0 °C | 300 MPa | |
Yield strength Rp0.2 | 20.0 °C | 240 - 250 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.69E-5 1/K | |
200.0 °C | 1.73E-5 1/K | ||
300.0 °C | 1.76E-5 1/K | ||
Melting point | 965 - 1100 °C | Typical for Wrought Copper Pure / Low Alloyed Copper | |
Specific heat capacity | 20.0 °C | 385 J/(kg·K) | |
100.0 °C | 394 J/(kg·K) | ||
200.0 °C | 406 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 374 W/(m·K) | |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 20.0 °C | 5.00E+7 S/m |
Specific Electrical conductivity | 86 % IACS |
Chemical properties
| Property | Value |
|---|---|
Phosphorus | 0 - 0.01 % |
Sulfur | 0.2 - 0.7 % |
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