Standard designation
| EN: | not standardised* |
| UNS: | C 19025 |
Chemical composition
| Cu: | balance |
| Ni: | 0,8 - 1,2 % |
| Sn: | 0,7 - 1,1 % |
| P: | 0,03 - 0,07 % |
Physical properties1)
| Density: | 8,9 g/cm³ |
| Electrical conductivity: | 23 m/Ω·mm² = 40 % IACS2) |
| Thermal conductivity: | 161 W/m·K |
| Thermal expansion coefficient: | 17·10-6/K |
| Modulus of elasticity: | 130 GPa3) |
1) Guideline values for room temperature
2) IACS =International Annealed Copper Standard
3) 1 GPa = 1 kN/mm²
Processing information
| Weldability: | good |
| Solderability: | good |
| Stress corrosion cracking: | none |
Mechanical properties
|
Temper |
R335/H120 |
R440/H135 |
R500/H155 |
|
Tensile strength RM |
335-470 MPa4) |
440-520 MPa |
500-570 MPa |
|
Yield strength RP0,2 |
≥ 315 MPa |
≥ 420 MPa |
≥ 480 MPa |
|
Elongation A50 |
≥ 15 % |
≥ 9 % |
≥ 5 % |
|
Hardness HV |
120-155 |
135-170 |
155-180 |
|
Temper |
R540/H160 |
R580/H175 | R630/H190 |
|
Tensile strength RM |
540-610 MPa |
580-650 MPa | 630-730 MPa |
|
Yield strength RP0,2 |
≥ 520 MPa |
≥ 560 MPa |
≥ 610 MPa |
|
Elongation A50 |
≥ 4 % |
- | - |
|
Hardness HV |
160-195 |
175-210 |
≥ 190 |