Brazing alloy
Copper-phosphorus alloys are the standard solution for brazing copper and brass in HVAC, refrigeration and plumbing. Their phosphorus content acts as a self-fluxing agent, eliminating the need for flux in most copper applications.
| Working temperature | 710 – 820 °C |
|---|---|
| P content | 5 – 8 % P |
| Base metal | Cu ≥ 92 % |
| Electrical cond. | Alta (Cu base) |
| Self-fluxing on Cu | Sí (sin flux) |
| On steel/Al | Requiere flux |
| Grade | Standard | Description |
|---|---|---|
| BCuP-2 | AWS A5.8 |
Cu-P 7.25%. Copper brazing without flux. Liquidus temperature 793 °C. |
| BCuP-5 | AWS A5.8 |
Cu-Ag-P. Silver addition for greater ductility. Liquidus temperature 813 °C. |
| L-CuP6 | EN ISO 3677 |
European equivalent of BCuP-2. 6% P. |
Check available stock and custom manufacturing options.
Ø 2–3 mm · BCuP-2 and BCuP-5
View format →For series joints. Custom Ø
View format →Ø 1–2.5 mm · For automation
View format →Ready to dispense. BCuP-5
View format →Copper-Phosphorus is used across multiple demanding industries.
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