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| Product Number | Related Standard | Chemical Composition(%) | Total Impurities | Melting Range(℃) | Characteristic | Application | ||||
| Cu | P | Sn | Other | Solidus (°F/°C) | Liquidus (°F/°C) | |||||
| SCuP-5Sn | GB/T：BCu86SnP | rem. | 4.8-5.8 | 7.0-8.0 | Ni0.4 -1.2 | ≤0.15 | 1148/620 | 1238/670 | Low melting point and good flowability. | Suitable for copper and brass components in water heaters, electric heating devices, and sanitary ware. |
| SCuP-6Sn | rem. | 5.0-6.0 | 5.0-6.0 | 1202/650 | 1472/800 | Slightly higher melting point with good flowability. | Suitable for brazing large-gap joints of copper and brass components in water heaters, electric heating devices, and sanitary ware. | |||
| SCuP-7Sn | EN：CP302 DIN：Degussa86 | rem. | 6.5-7.5 | 6.5-7.5 | 1184/640 | 1256/680 | Low melting point with good flowability. | Suitable for copper and copper alloy components in water heaters, water dispensers, gas appliances, electric heating devices, and sanitary ware. | ||
Phosphor-Copper-Tin Brazing Alloys
Sanhuan phosphor-copper-tin brazing alloy has a black color, a low melting point, and good brittleness. It exhibits excellent wettability, flowability, spreadability, and gap-filling capabilities. By adding an appropriate amount of tin (Sn) to the phosphor-copper alloy, the melting point is reduced, and flowability and wettability are improved, which also results in the brazing alloy’s black color.
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