Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПОССу18-0,5 |
| Designation GOST Latin |
POCCu18-0,5 |
| Transliteration |
POSSu18-05 |
| By chemical elements |
ПSnPbSb18-0,5 |
Description
Solder Possu18−0,5 applies: for the production of ingots, round wire, round rods filled with flux tubes, powder used for tinning and soldering of the tubes of heat exchangers, light bulbs.
Note
Tin-lead solder measurementi.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 21930-76, GOST 21931-76, GOST 28873-90, TU 48-13-23-91 |
Chemical composition
| Standard |
S |
Ni |
Fe |
Cu |
As |
Al |
Zn |
Sn |
Sb |
Pb |
Bi |
| GOST 21930-76 |
≤0.02 |
≤0.02 |
≤0.02 |
≤0.05 |
≤0.02 |
≤0.002 |
≤0.002 |
17-18 |
0.05-0.5 |
Rest |
≤0.1 |
Pb is the basis.
Mechanical properties
| σU, MPa |
d |
KCU, kJ/m2 |
| Pig in the state of delivery |
| ≥35.32 |
≥50 |
≥353.2 |
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 |
10200 |
3517 |
198 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| С |
Specific heat |