| Standard | Alloy | Chemical Composition（%） | Melting Range | |
| Solidus | Liquidus | |||
| AWS A5.7 BS EN14640 |
Cu:Bal. Fe:0.5 Mn:0.5-1.5 Pb:Max0.02 Si:2.8-4.0 Sn:1.0 Zn:1.0 Other:0.5 | 910℃ | 1025℃ | |
| 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 | |
| 2# ZnAl alloy | 420-480 | |||||
| 3# ZnAl Alloy | 420-480 | |||||
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