Solder Possu18-2

Designation

Name The value
Designation GOST Cyrillic ПОССу18-2
Designation GOST Latin POCCu18-2
Transliteration POSSu18-2
By chemical elements ПSnPbSb18-2

Description

Solder Possu18−2 applies: for the production of ingots, round wire, round rods filled with flux tubes, powder used for brazing in the automotive industry; for brazing of lead, brass, iron, copper, galvanized iron; tinning of parts for 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 17-18 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 HB, MPa
Pig in the state of delivery
≥35.32 ≥35 ≥186.2 ≥11.7

Description mechanical marks

Name Description
σU Limit short-term strength
d Elongation after rupture
KCU Toughness
HB Brinell hardness number

Physical characteristics

Temperature r, kg/m3 l, W/(m · °C) R, Mr. · m
20 10100 3391 206

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
С Specific heat