phos-Copper brazing alloys are easy-flow, low cost ones 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.
Alloy | Corresponding Alloy | Chemical Composition | Melting Rang | Features | Typical Application | |||
P% | Sn% | Cu% | Solidus°C | Liquidus°C | ||||
JcuP-1 | China: Bcu92P Japan: TC-310D | 7.5-8.5 | - | balance | 710 | 780 | Close to eutectic crystal composition, Low melting point, easy Flow, can flow into a Small cleatance of Brazing seam. | Use for copper allou parts, refrigration Compressor,not suitable for brazing Attacking shocking bend parts. |
JcuP-2 | China: BCu93P USA: BCuP-2 Japan: TC-310A | 6.5-7.5 | - | balance | 701 | 800 | Contain a little less Phosphorus, has better Plastic nature, a little Higher melting point. | Use for copper and copper alloy Parts, suitable for air Conditioning, refrigerator, evaporator, heat Exchanger and water heater ect. |
JcuP-3 | Zhong: 202 | 6.1-6.8 | - | balance | 710 | 820 | Contain less Phosphorus, good Platic nature, a little Higher melting point. | Can make into many kinds of brazing Ring, wires, brazing copper and Copper alloy parts, brazing clearance Tie-in |
JcuP-3Sn | China: Bcu88Pag German: Degussa86 | 6.5-7.5 | 6.5-7.5 | balance | 640 | 680 | Good spread ability Good caulding ablity | Use for many kinds of copper and copper alloy |
JcuP-5Sn | China: Bcu86SnP | 4.8-5.8 | 7-87 | balance | 620 | 670 | Low melting point, Easy flow | Use for the water heater of copper Or brass, radiant heating, ect. |
JcuP-6Sn | Zhong: 208 | 5-6 | 5-6 | balance | 650 | 800 | Low melting point, Easy flow | Use for copper or brass parts of Water heater, radiant heating, Brazing ample clearance tie-in. |
JcuP-7Sn | EU: CP302 | 6.5-7.5 | 6.5-7.5 | balance | 640 | 680 | Low melting point, Easy flow | Use for copper and copper parts Of water heater, water fountain, Fuel gas ware, radiant heating And cleaners, polishes ect. |
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