Solder, Psro 3-97
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПСрО 3-97 |
| Designation GOST Latin |
PCpO 3-97 |
| Transliteration |
PSrO 3-97 |
| The chemical elements |
ПAgSn 3-97 |
Description
Solder, Psro 3−97 applies: for soldering and tinning of copper, Nickel, copper and copper-Nickel alloys with silver-plated ceramics, brazing silver-plated details.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 19738-74 |
| Sheets and stripes |
В53 |
GOST 19739-74 |
Chemical composition
| Standard |
Fe |
Sn |
Pb |
Bi |
Ag |
| GOST 19738-74 |
≤0.15 |
The rest |
≤0.2 |
≤0.01 |
2.7-3.3 |
Sn is the basis.
According to GOST 19738-74, the sum of detectable impurities should be ≤ 0.30%.
Physical characteristics
| Temperature |
r, кг/м3 |
R, НОм · м |
| 20 |
7400 |
125 |
A description of the physical symbols
| Name |
Description |
| r |
Density |
| R |
UD. the resistivity |
