POSSu61-0.5

For tinning and soldering electrical equipment, soldering components, windings of electric machines, electronic components galvanized under stringent temperature requirements. Alloy malosurmyanisty recommended for soldering of zinc and galvanized parts

Classification

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, % S, %
GOST 21930-76 < 0.02 59–61 < 0.2 < 0.05 < 0.002 < 0.02 0.05–0.5 < 0.002 38.366–40.95 < 0.02 < 0.02

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 8500 0.14

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
Alloy GOST 21930-76 45 35 370

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 21930-76 135

Casting and technological parameters

melting point, solidus, °C melting point, liquidus, °C
183 189

Standards

Standard Description
GOST 21930-76

Description of chemical elements

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
S % Sulfur

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 mechanical properties

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
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