Solder, Psrma 68-27-5
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПСрМО 68-27-5 |
| Designation GOST Latin |
PCpMO 68-27-5 |
| Transliteration |
PSrMO 68-27-5 |
| The chemical elements |
ПAgCuSn 68-27-5 |
Description
Solder, Psrma 68−27−5 applies: for brazing titanium and titanium alloys with stainless steel; soldering and tinning of non-ferrous metals and steels.
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 |
Cu |
Sn |
Pb |
Bi |
Ag |
| GOST 19738-74 |
≤0.15 |
The rest |
4.5-5.5 |
≤0.005 |
≤0.005 |
67.5-68.5 |
Ag is the basis.
According to GOST 19738-74 the sum of the impurities to be determined should be ≤ 0.15%.
Physical characteristics
| Temperature |
r, кг/м3 |
R, НОм · м |
| 20 |
9900 |
140 |
A description of the physical symbols
| Name |
Description |
| r |
Density |
| R |
UD. the resistivity |
