Phosphorous copper grades
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| Company standard EN |
PCU2 CW020A |
PCU3 CW021A |
PCU4 CW023A |
|---|---|---|---|
| Copper content Cu + Ag + P |
> 99,98 % | > 99,98 % | > 99,90 % |
| Phosphorus content | 10 - 30 ppm | 20 - 50 ppm | 50 - 130 ppm |
| Electrical conductivity | > 100 % IACS** | > 98,28 % IACS** | 90,5-96,9 % IACS** |
| other characteristics | Resistant to hydrogen embrittlement. Good weldability and solderability. |
Resistant to hydrogen embrittlement. In comparison with PCU2 improved weldability and solderability. |
Resistant to hydrogen embrittlement. Very good weldability and solderability. |
| Field of uses | Electrical engineering, electronics, collector segments, cladding materials | Applications in electrical engineering for squarewave generators and switchgear devices |
Apparatus engineering |
** The specification of electrical conductivity relates to the annealed condition