PSr15

Melting point: 640 — 810 ° C

Tinning and soldering of copper, copper and copper-nickel alloys, nickel, Kovar, nickel silver, brass and bronze; Soldering and tinning of jewelry; Self-fluxing solders for the soldering of copper with bronze, copper, copper, brass and bronze

Classification

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

Chemical composition

Standard	Fe, %	Bi, %	Cu, %	Pb, %	P, %	Ag, %
Standard	Fe, %	Bi, %	Cu, %	Pb, %	P, %	Ag, %
	< 0.05	< 0.01	79.24–81	< 0.1	4.5–5.1	14.5–15.5

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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	8500	207

Casting and technological parameters

melting point, °C
melting point, °C
640–810

Standards

Standard	Description
Standard	Description
GOST 19738 - 2015

Description of chemical elements

Element	Units of measurement	Description
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
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