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P-Cu-Ag Brazing Filler Metal is easy-flow, low cost one and shows perfect performance in contact brazing, oxy-acetylene brazing, induction brazing and furnace brazing. The joint strength is higher and the conductivity is better. A flux is required while brazing brass to brass. Phos-Copper-Silver brazing alloys have good wettability, higher strength and toughness of brazing seam and lower melting point. The heating speed should be as quick as possible while brazing. The joint is to be bright grey and will return to the original color of bronze while dipped into 10% sulphuric acid.
Product Number | Correlative Noumber | Chemical Analysis | Melting range | Application | |||
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| Ag | P | Cu | Solidus°C | Liquidus°C |
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GWY-2B | BCu91PAg | 1.8-2.2 | 6.8-7.2 | bal | 645 | 788 |
For brazing copper parts in airconditioners ,freezers,refrigerators and motors.The brazing perfomance is excellent. |
GWY-5B | BCuP-6 | 1.8-2.2 | 6.8-7.2 | bal | 645 | 788 | |
L-Ag2P | 2.0 | 6.2 | bal | 645 | 825 | ||
BCu89PAg | 4.8-5.2 | 5.8-6.7 | bal | 645 | 815 | ||
| BCuP-3 | 4.8-5.2 | 5.8-6.2 | bal | 645 | 815 | |
BCuP-7 | 4.8-5.2 | 6.5-7.0 | bal | 645 | 785 | ||
| L-Ag5P | 5.0 | 6.0 | bal | 645 | 815 | |
GWY-6B | BCu87PAg | 5.8-6.2 | 7.0-7.5 | bal | 645 | 724 | |
| BCuP-4 | 5.8-6.2 | 7.0-7.5 | bal | 645 | 724 | |
GWY-15B | BCu80PAgP | 14.5-15.5 | 4.8-5.2 | bal | 645 | 800 | |
| BCuP-5 | 14.5-15.5 | 4.8-5.2 | bal | 645 | 800 | |
| L-Ag15P | 15.0 | 5.0 | bal | 645 | 800 | |
GWY-18B | BCu75PAg | 17.5-18.5 | 6.0-6.5 | bal | 645 | 680 | For brazing copper and copper alloys in motors,transformation equipment and spectacles. |
| 18M | 18.0 | 6.3 | bal | 645 | 680 | |
| L-Ag18P | 18.0 | 7.05 | bal | 645 | 645 | |
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High quality Phos-copper-silver welding alloys round rod