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 |