PSr25F
Melting point: 645 — 725 ° C
Self-fluxing solders for the soldering of copper with bronze, copper, copper, brass and bronze
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Precious metals |
Silver solders |
Chemical composition
| Standard |
Fe, % |
Bi, % |
Cu, % |
Pb, % |
P, % |
Ag, % |
|---|
| GOST 19738-74 |
< 0.15 |
< 0.01 |
68.83–71 |
< 0.01 |
4.5–5.5 |
24.5–25.5 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
|---|
| 20 |
8300 |
0.186 |
Casting and technological parameters
| melting point, °C |
|---|
| 645–725 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Bi |
% |
Bismuth |
| Cu |
% |
Copper |
| Pb |
% |
Lead |
| P |
% |
Phosphorus |
| Ag |
% |
Silver |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
| $$R\cdot 10^{-6}$$ |
$$\Omega\cdot m$$ |
Electrical resistivity |
Description of the casting and technological parameters
| Parameter |
Units of measurement |
Description |
| melting point |
°C |
The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |