Solder Possu30-2

Designation

Name The value
Designation GOST Cyrillic ПОССу30-2
Designation GOST Latin POCCu30-2
Transliteration POSSu30-2
By chemical elements ПSnPbSb30-2

Description

Solder Possu30−2 applies: for the production of ingots, round wire, round rods filled with flux tubes, powder used for tinning and soldering of refrigerating apparatus building, electric manufacturing, motor industry, for abrasive soldering; brazing of brass, copper, iron, zinc and galvanized sheets, tinplate, flexible hoses binding wire, electric motors; soldering under the pouring babbit.

Note

Solder tin-lead-antimony.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 21930-76, GOST 21931-76, GOST 28873-90, STP М288-82

Chemical composition

Standard S Ni Fe Cu As Al Zn Sn Sb Pb Bi
GOST 21930-76 ≤0.02 ≤0.08 ≤0.02 ≤0.08 ≤0.02 ≤0.002 ≤0.002 29-31 1.5-2 Rest ≤0.2
Pb is the basis.
According to GOST 21930-76 in the solder used in the automotive industry, the mass fraction of copper is allowed up to 0.10% and arsenic is allowed up to 0.050%.

Mechanical properties

σU, MPa d KCU, kJ/m2
Pig in the state of delivery
≥39.24 ≥40 ≥245

Description mechanical marks

Name Description
σU Limit short-term strength
d Elongation after rupture
KCU Toughness

Physical characteristics

Temperature r, kg/m3 l, W/(m · °C) R, Mr. · m
20 9600 3768 182

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
С Specific heat