For Solar photovoltaic panels. Solar water heater.
Phosphorous copper alloys
| Standard | Alloy | Chemical Composition(%) | Melting Range | |
| Solidus | Liquidus | |||
| AWS A5.8 | BCuP-2 | Cu:Bal. P:6.5-7.5 | 710℃ | 790℃ |
| AWS A5.8 | BCuP-3 | Cu:Bal. P:5.7-6.1 Ag:5.0-5.2 | 643℃ | 816℃ |
| AWS A5.8 | BCuP-5 | Cu:Bal. P:4.8-5.3 Ag:14.5-15.5 | 643℃ | 800℃ |
| AWS A5.8 | BCuP-6 | Cu:Bal. P:6.8-7.5 Ag:1.8-2.2 | 643℃ | 790℃ |
| BCu86PSn | Cu:Bal. P:6.5-7.5 Sn:6.5-7.5 | 640℃ | 680℃ | |