PSr37.5

Melting point: 725 — 810 ° C

Tinning and soldering of copper, copper and copper-nickel alloys, nickel, Kovar, nickel silver, brass and bronze; Brazing of copper and copper alloys with high-temperature alloys and stainless steels

Classification

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

Chemical composition

Standard Fe, % Bi, % Mn, % Cu, % Zn, % Pb, % Ag, %
GOST 19738-74 < 0.1 < 0.005 7.9–8.5 47.345–50.1 5–6 < 0.05 37–38

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 8900 0.372

Casting and technological parameters

melting point, °C
725–810

Standards

Standard Description
GOST 19738-74

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Bi % Bismuth
Mn % Manganese
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
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ 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