AWS A5.8 BCuP-4
Copper Phosphorus Filler Metals for Brazing, Welding Wire — BCuP-4
BCuP-4
BCuP-4 is reasonably fluid and similar to BCuP-2 in that it has a recommended joint clearance of .001″ to .003″. Low melting range makes it ideal where temperature is a factor. We recommend a maximum brazing temperature of 1450°F.
| Nominal Chemical Composition (%) | Melting Point | Flow Point | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ag | Cu | Zn | Cd | P | Ni | Sn | Mn | °F | °C | °F | °C |
| 6 | 86.75 | – | – | 7.25 | – | – | – | 1190 | 645 | 1275 | 690 |