Solder Possu25-0,5
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПОССу25-0,5 |
| Designation GOST Latin |
POCCu25-0,5 |
| Transliteration |
POSSu25-05 |
| The chemical elements |
ПSnPbSb25-0,5 |
Description
Solder Possu25−0,5 applies: for the production of ingots, round wire, round rods filled with flux tubes, powder used for tinning and soldering of radiators.
Note
Tin-lead solder measurementi.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, 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 |
≤0.02 |
≤0.02 |
≤0.05 |
≤0.02 |
≤0.002 |
≤0.002 |
24-26 |
0.05-0.5 |
The rest |
≤0.1 |
Pb is the basis.
Mechanical characteristics
| σB, MPa |
d |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
| Pig in the state of delivery |
| ≥35.32 |
≥45 |
≥382.2 |
≥13.6 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d |
Elongation after rupture |
| kJ/m2 |
Toughness |
Physical characteristics
| Temperature |
r, кг/м3 |
l, Вт/(м · °С) |
R, НОм · м |
| 20 |
10000 |
3768 |
182 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| С |
Specific heat |
