Solder ПОССу8-3

Designation

Name The value
Designation GOST Cyrillic ПОССу8-3
Designation GOST Latin POCCu8-3
Transliteration POSSu8-3
By chemical elements ПSnPbSb8-3

Description

Solder ПОССу8−3 is used: for the production of ingots, round wire, round rods filled with flux tubes, powder used for tinning and soldering in the electrical trade.

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

Chemical composition

Standard S Ni Fe Cu As Al Zn Sn Sb Pb Bi
GOST 21930-76 ≤0.02 ≤0.08 ≤0.02 ≤0.1 ≤0.05 ≤0.002 ≤0.002 7-8 2-3 Rest ≤0.2
Pb is the basis.

Mechanical properties

σU, MPa d KCU, kJ/m2 HB, MPa
Pig in the state of delivery
≥39.24 ≥43 ≥166.6 ≥12.8

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 10500 3391 207

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
С Specific heat