For heat-exchangers, engine radiators, domestic refrigerators, commercial refrigerators, industrial refrigerators, air conditioners, wall boilers, gas boilers, electric home appliances, coils, condensers, evaporators, compressors for cooling, refrigerated cabinets, Heating plants, water, floor heating piping, etc..
| 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℃ | |
| Standard | Alloy | Chemical Composition(%) |
| AWS A5-10 EN ISO18273-S |
Al:Bal. Si:4.50-5.50 Fe:0.80 Cu:0.30 Mn:0.05 Mg:0.05 Zn:0.10 Ti:0.20 Other:0.15 | |
| AWS A5-10 EN ISO18273-S |
Al:Bal. Si:11.0-13.0 Fe:0.60 Cu:0.30 Mn:0.15 Mg:0.10 Zn:0.20 Ti:0.15 Other:0.15 |
| Type | Composition | Brazing temp ℃ | Flux Proportion | Wire Diameter | Note | |
| Alloy | Flux | （wt%） | （mm） | |||
| BD812 | Al88Si12（4047） | K Cs Al F | 595~625 | low：10-15% Standard type：15-25% |
Φ1.2~Φ2.4 | Aluminum to aluminum brazing |
| Type | Composition | Brazing temp ℃ | Flux Proportion | Wire Diameter | Note | |
| Alloy | Flux | （wt%） | （mm） | |||
| 1# ZnAl alloy | Cs Al F 4 | 420-480 | 10-20% | Φ1.6~Φ2.4 | Copper to Aluminum brazing | |
| BD822 | 2# ZnAl alloy | 420-480 | ||||
| BD815 | 3# ZnAl Alloy | 420-480 | ||||
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