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Self fluxing copper based brazing alloys containing phosphor thereby facilitating brazing on copper to copper in air without the use of a flux. Use of flux recommended for copper alloys like brass and bronze. For improved ductility and electrical conductivity silver containing lower phosphor alloys also available. Widely used in refrigeration, air conditioning and plumbing industry. MWPL offers these alloys in a wide range of compositions to suit specific applications available in Wires and Rods, Strips, Wire Flattening, Wire Preforms, Strip Preforms, Granules and Spheres. With the help of the chart below, identify and compare alloys of our Copper Phosphor Alloys suited to your needs.
MWPL Grade of Brazing Alloy
| Nominal Composition % | Melting Range | International Standards | Technical Details | ||||
|---|---|---|---|---|---|---|---|
| Ag | Cu | P | 0C | DIN:8513 | AWS:A5.8 | ||
| RP ALLOYS | 15 | 80 | 5 | 650-800 | L-Ag15P | BCuP-5 | To be provided |
|---|---|---|---|---|---|---|---|
| It has low melting point with good flow. Used where narrow joint include uneven junctions, refrigeration industry, on parts such as cuplings, manifolds, brass distributors, capillary pipes. Has good mechanical characteristics at low temperature. | |||||||
| RP ALLOYS 6 | 6 | 88 | 6 | 695-795 | - | BCuP-4 | To be provided |
|---|---|---|---|---|---|---|---|
| It is with low melting range where temperature is a factor. Fast flow, very fluid at brazing temperature and will penetrate joints with small clearances. | |||||||
| RP ALLOYS 5 | 5 | 89 | 6 | 650-810 | L-Ag5P | BCuP-3 | To be provided |
|---|---|---|---|---|---|---|---|
| It is same as Silver 15 and economic. Used largely in the refrigeration and air conditioning industry. | |||||||
| RP ALLOYS 2 | 2 | 91.5 | 6.5 | 650-810 | L-Ag2P | BCuP-6 | To be provided |
|---|---|---|---|---|---|---|---|
| It fills moderate gaps in poorly fit joints and has good flow. It has the ability to fill wide joint clearances at the lower end of its brazing range. At the high end of the brazing range, it is more fluid. Recommended for sanitory and refrigerating installations. | |||||||
| RP ALLOYS | - | 92.7 | 7.3 | 705-800 | L-CuP7 | BCuP-2 | To be provided |
|---|---|---|---|---|---|---|---|
| It is a low cost alloy with wide melting range and low fluidity. Used in sanitory, refrigeration and air conditioning industry. | |||||||
| RP ALLOYS | - | 93.8 | 6.2 | 710-880 | L-CuP6 | - | To be provided |
|---|---|---|---|---|---|---|---|
| It is the most economical and used where the joint clearance is wider. Flow is sluggish. | |||||||
| RP ALLOYS 1% | 1 | 92.5 | 6.5 | 650-810 | - | - | To be provided |
|---|---|---|---|---|---|---|---|
| Same as Silver 2 with Lesser Silver. | |||||||
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