PSr40

Melting point: 590 — 610 ° C

Tinning and soldering of copper, copper and copper-nickel alloys, nickel, Kovar, nickel silver, brass and bronze; soldering steel with copper, nickel, copper and copper-nickel alloys; brazing copper and brass with Kovar, nickel, with stainless steel and high-temperature alloys, soldering lead-tin bronze

Classification

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

Chemical composition

Standard	Fe, %	Bi, %	Cu, %	Zn, %	Ni, %	Pb, %	Cd, %	Ag, %
Standard	Fe, %	Bi, %	Cu, %	Zn, %	Ni, %	Pb, %	Cd, %	Ag, %
GOST 19738-74	< 0.1	< 0.005	16–17.4	16.2–17.8	0.1–0.5	< 0.05	23.49–28.55	39–41

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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	9250	0.07

Casting and technological parameters

melting point, °C
melting point, °C
590–610

Standards

Standard	Description
Standard	Description
GOST 19738-74
GOST Р 52955-2008

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Bi	%	Bismuth
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Pb	%	Lead
Cd	%	Cadmium
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