Solder Psros 3-58

Designation

Name The value
Designation GOST Cyrillic ПСрОС 3-58
Designation GOST Latin PCpOC 3-58
Transliteration PSrOS 3-58
By chemical elements ПAgSnPb 3-58

Description

Solder Psros 3−58 is applied: 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, and their alloys В51 GOST 19738-74
Sheets and strips В53 GOST 19739-74

Chemical composition

Standard Fe Sn Sb Pb Bi Ag
GOST 19738-74 ≤0.15 56.8-58.8 0.2-0.8 Rest ≤0.01 2.6-3.4
Sn is the basis.
According to GOST 19738-74 the sum of the impurities to be determined should be ≤ 0.15%.

Physical characteristics

Temperature r, kg/m3 R, Mr. · m
20 8600 145

A description of the physical symbols

Name Description
r Density
R UD. the resistivity