PSrOSu8 (Vpr-6)

Melting point 235 — 250 ° C

Soldering and tinning of copper, nickel, copper and copper-nickel alloy with silver plated ceramics, soldering silver-plated parts

Classification

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

Chemical composition

Standard	Fe, %	Sn, %	Bi, %	Sb, %	Pb, %	Ag, %
Standard	Fe, %	Sn, %	Bi, %	Sb, %	Pb, %	Ag, %
GOST 19738-74	< 0.2	83.085–85.5	< 0.015	7–8	< 0.2	7.5–8.5

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	7400	0.197

Casting and technological parameters

melting point, °C
melting point, °C
235–250

Standards

Standard	Description
Standard	Description
GOST 19738-74

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Sn	%	Tin
Bi	%	Bismuth
Sb	%	Antimony
Pb	%	Lead
Ag	%	Silver

Description of physical characteristics

Parameter	Units of measurement	Description
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
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