A specialized BCuP-2 copper phosphorus brazing ring is utilized in welding applications. It consists of copper alloy which is specifically BCuP-2 having phosphorus as one of its components. This alloy is designed for use in the manufacturing of brazing and soldering wire. Phosphorus-copper solder is a binary alloy-based solder made from copper and phosphorous. It has a good fluidity and can be used for contact, flame, high frequency, and furnace brazing. The addition of silver to this metals will increase the wetting ability of the solder, improve its strength and toughness, and reduce its melting point. It thus finds extensive application in refrigeration industry as well as motor making industry, electrical appliance manufacture and instrument production among others.. Among other brazing methods; flame, high frequency and resistance Copper-Zinc solders are mainly used.For more information about these materials or their applications you should consider talking to any Chinese refrigeration industry brazing ring Manufacturer.
| BrazingAlloys | AWS | Chemical Composition（%） | Solidus | Liquidus | Main Uses | |||||||
| Ag | Cu | P | Zn | Sn | Other | F | ℃ | F | ℃ | |||
| BCu93P | BCuP-2 | / | 93 | 7 | / | / | / | 1310 | 710 | 1460 | 795 | Suitable for copper and copper alloy,with good fluidity. |
| BCu86P | / | / | 86 | 7 | / | 7 | / | 1134 | 657 | 1270 | 687 | Mainly used for brazing of hard alloy cutter |
| BCu91PAg | BCuP-6 | 2 | 91 | 7 | / | / | / | 1190 | 645 | 1450 | 785 | Mainly used for brazing ferrous metals, nickel-based alloys and Cu-Ni alloys; it has good fluidity. |
| BCu89PAg | BCuP-3 | 5 | 89 | 6 | / | / | / | 1190 | 645 | 1325 | 720 | |
| BCu88PAg | BCuP-4 | 6 | 86.7 | 7.3 | / | / | / | 1190 | 645 | 1275 | 690 | |
| BCu80PAg | BCuP-5 | 15 | 80 | 5 | / | / | / | 1190 | 645 | 1300 | 705 | |
| BCu75PAg | BCuP-6 | 18 | 75.5 | 6.5 | / | / | / | 1190 | 645 | 1190 | 645 | |
Phosphorus is a deoxidizing agent that reduces the formation of oxides during brazing process.
Good Fluidity: It is important to ensure that solder flows smoothly and evenly, thus making good joints in strong.
Versatility: These brazing processes can be used for contact brazing, flame brazing, high frequency brazing or furnace brazing.
Improved Properties with Silver: On the other hand silver addition improves its wetting ability as well as enhances its strength, toughness and lowers its melting point.
Phosphorus copper solder has a wide range of applications and is commonly used in ordinary flame welding. It is mainly used in the refrigeration, air conditioning, plumbing and electrical industries. We can produce all kinds of formulas, and can also cooperate with R&D and customization to reduce costs and increase efficiency for your production. Specifically Please contact the technical department if required.
The addition of silver improves the wetting ability of the solder, increases the strength and toughness of the joint, and lowers the melting point, making the brazing process more efficient and the joints higher quality.
These brazing rings can be used with a variety of brazing methods, including:
Contact brazing
Flame brazing
High frequency brazing
Furnace brazing
The phosphorus content in the alloy acts as a deoxidizer and generally reduces the need for additional flux during the brazing process, thus simplifying the procedure and reducing costs.
For detailed specifications, usage guidelines, and technical support, consider consulting a Chinese refrigeration industry brazing ring manufacturer. They can provide comprehensive information tailored to specific brazing requirements.
Using these brazing rings in refrigeration systems ensures a strong, reliable joint that is corrosion-resistant, thereby increasing the overall efficiency and life of the refrigeration system.
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