PSr71

Melting point: 654 — 795 ° C

Tinning and soldering of copper, copper and copper-nickel alloys, nickel, Kovar, nickel silver, brass and bronze; 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 < 0.005 26.99–28.55 < 0.005 0.8–1.2 70.5–71.5

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 9800 0.043

Casting and technological parameters

melting point, °C
654–795

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
$$\rho$$ $$\frac{kg}{m^3}$$ 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