Silver solder PSr 40
Silver solder PSr 40 from Ecotec: a two-component alloy of silver and copper with a melting point of 780°C, ideal for high-quality joining. Buy from Ecotec.
Description: PSr 40 solder is a two-component alloy consisting of silver and copper. PSr 40 solder is a eutectic alloy with a melting point of 610 °C.
Regulatory documentation: PSr 40 solders are manufactured in accordance with GOST 19738-2015, PSr 40 wire — GOST 19746-2015, PSr 40 strip — GOST 19739-2015.
Chemical composition of silver solders:
|
Solder grade |
Chemical composition, % |
|||||||||||||
|
Ag |
Cu |
Zn |
Sn |
Mn |
Sb |
P |
Cd |
Ni |
Pb |
Impurities, not more than |
||||
|
Pb |
Fe |
Bi |
Sum of determined impurities |
|||||||||||
|
PSr 40 |
40.0±1.0 |
16.7±0.7 |
17.0±0.8 |
— |
— |
— |
— |
Balance |
0.3±0.2 |
— |
0.050 |
0.10 |
0.005 |
0.15 |
Solder dimensions:
|
Solder grade |
Thickness, mm |
Width, mm |
Length, mm |
|||
|
Min |
Max |
Min |
Max |
Min |
Max |
|
|
PSr 40 |
0.1 |
5 |
50 |
200 |
100 |
400 |
Wire diameter:
|
Wire grade |
Diameter, mm |
|
|
Min |
Max |
|
|
PSr 40 |
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 40 |
9250 |
883 (610) |
863 (590) |
7.0 |
Applications:
Solder PSr 40 is used for tinning and soldering copper, copper-nickel alloys, nickel, Kovar, nickel silver, brasses, bronzes, soldering steel with copper, nickel, copper and copper-nickel alloys, and soldering lead-tin bronzes.
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