Description: PSr 15 solder is a two-component silver-copper alloy. PSr 15 is a eutectic alloy.
Regulatory documentation: PSr 15 solders are manufactured in accordance with GOST 19738-2015, PSr 15 wire — GOST 19746-2015, PSr 15 strip — GOST 19739-2015.
Chemical composition of silver solders:
|
Solder grade |
Chemical composition, % |
|||||||||||||
|
Ag |
Cu |
Zn |
Sn |
Mn |
Sb |
P |
Cd |
Ni |
Pb |
Impurities, max |
||||
|
Pb |
Fe |
Bi |
Sum of determined impurities |
|||||||||||
|
PSr 15 |
15.0±0.5 |
Balance |
— |
— |
— |
— |
4.8±0.3 |
— |
— |
— |
0.100 |
0.05 |
0.010 |
0.15 |
Solder dimensions:
|
Solder grade |
Thickness, mm |
Width, mm |
Length, mm |
|||
|
Min |
Max |
Min |
Max |
Min |
Max |
|
|
PSr 15 |
0.1 |
5 |
50 |
200 |
100 |
400 |
Wire diameter:
|
Wire grade |
Diameter, mm |
|
|
Min |
Max |
|
|
PSr 15 |
0.15 |
6 |
Melting point, density and electrical resistivity:
|
Solder grade |
Density, kg/m3 |
Melting point, K (°C) |
Electrical resistivity, 10-3 Ohm·m |
|
|
Upper critical point |
Lower critical point |
|||
|
PSr 15 |
8500 |
1083 (810) |
913 (640) |
20.7 |
Applications:
PSr 15 solder is used for tinning and brazing of copper, copper and copper-nickel alloys, nickel, Kovar, nickel silver, brasses and bronzes, brazing and tinning of jewelry. PSr 15 is a self-fluxing solder for brazing copper with bronze, copper with copper, bronze with bronze.
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