AWS A5.8 BCuP-3
Copper Phosphorus Filler Metals for Brazing, Welding Wire — BCuP-3
BCuP-3
BCuP-3 is used when gap clearance range is .003″ to .005″; ideal for larger copper pipe sizes. It has the ability to fill gaps and form fillets without adversely affecting joint strength. We recommend a maximum brazing temperature of 1500°F.
| Nominal Chemical Composition (%) | Melting Point | Flow Point | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ag | Cu | Zn | Cd | P | Ni | Sn | Mn | °F | °C | °F | °C |
| 5 | 89 | – | – | 6 | – | – | – | 1190 | 645 | 1325 | 720 |