POSK50-18

For soldering components, heat-sensitive, powdered materials, a metallized ceramic, a step for soldering the capacitors. Alloy bessurmyanisty

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Tin, lead, babity	Tin-lead solder

Chemical composition

Standard	Fe, %	Sn, %	Bi, %	Cu, %	Zn, %	Ni, %	Sb, %	Al, %	Pb, %	As, %	Cd, %	S, %
Standard	Fe, %	Sn, %	Bi, %	Cu, %	Zn, %	Ni, %	Sb, %	Al, %	Pb, %	As, %	Cd, %	S, %
GOST 21930-76	< 0.02	49–51	< 0.2	< 0.08	< 0.002	< 0.02	< 0.2	< 0.002	48.626–51	< 0.03	17–19	< 0.02

Information on suppliers

Wish to advertise here?

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	8800	0.133

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Alloy	GOST 21930-76				40	40	490

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 21930-76		140

Casting and technological parameters

melting point, solidus, °C	melting point, liquidus, °C
melting point, solidus, °C	melting point, liquidus, °C
142	145

Standards

Standard	Description
Standard	Description
GOST 21930-76

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Sn	%	Tin
Bi	%	Bismuth
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Sb	%	Antimony
Al	%	Aluminium
Pb	%	Lead
As	%	Arsenic
Cd	%	Cadmium
S	%	Sulfur

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 mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point, solidus	°C	The temperature at which melts the low melting component
melting point, liquidus	°C	The temperature at which equilibrium falls first crystal