Solder The AKP 72
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПСр 72 |
| Designation GOST Latin |
PCp 72 |
| Transliteration |
PSr 72 |
| The chemical elements |
ПAg 72 |
Description
Solder the AKP 72 is applied: for tin plating and soldering of copper, copper and copper-Nickel alloys, Nickel, Kovar, Nickel silver, brass and bronze; Nickel-iron brazing alloy with Silverplated details of steel; brazing steel with copper, Nickel, copper and copper-Nickel alloys; brazing of copper Nickel-tungsten; soldering and tinning of jewelry.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 19738-74 |
| Sheets and stripes |
В53 |
GOST 19739-74, TU 48-1-761-83, TU 117-1-761-98 |
| Tapes |
В54 |
TU 48-1-384-90, TU 117-1-397-92 |
Chemical composition
| Standard |
Fe |
Cu |
Pb |
Bi |
Ag |
| GOST 19738-74 |
≤0.1 |
The rest |
≤0.005 |
≤0.005 |
71.5-72.5 |
Ag is the basis.
According to GOST 19738-74, the zinc content in the PSr 72 alloy should not be more than 0.0070%. The sum of detectable impurities should be ≤ 0.10%.
Physical characteristics
| Temperature |
r, кг/м3 |
R, НОм · м |
| 20 |
10000 |
21 |
A description of the physical symbols
| Name |
Description |
| r |
Density |
| R |
UD. the resistivity |
