ρ
kgm3
R⋅10−6
Ω⋅m

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 \rhoρ, \frac{kg}{m^3}kgm3 R\cdot 10^{-6}R⋅10−6, \Omega\cdot mΩ⋅m
20 8300 0.186

Casting and technological parameters

melting point, °C
645–725

Standards

Standard Description
GOST 19738-74

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
\rhoρ \frac{kg}{m^3}kgm3 The density of the material
R\cdot 10^{-6}R⋅10−6 \Omega\cdot mΩ⋅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