PSr25

Melting point: 740 — 775 ° C

Tinning and soldering of copper, copper and copper-nickel alloys, nickel, Kovar, nickel silver, brass and bronze; Pike steel with copper, nickel, copper and copper-nickel alloys; Soldering and tinning of jewelry

Classification

Country Section Category
CIS, Russia, Ukraine Precious metals Silver solders

Chemical composition

Standard Fe, % Bi, % Cu, % Zn, % Pb, % Ag, %
< 0.1 < 0.005 38.395–41.91 33.39–36.15 < 0.05 24.7–25.3

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$
20 8700

Casting and technological parameters

melting point, °C
740–775

Standards

Standard Description
GOST 19738 - 2015

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Bi % Bismuth
Cu % Copper
Zn % Zinc
Pb % Lead
Ag % Silver

Description of physical characteristics

Parameter Units of measurement Description
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material

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