Solder Psros 2-58

Designation

Name	The value
Designation GOST Cyrillic	ПСрОС 2-58
Designation GOST Latin	PCpOC 2-58
Transliteration	PSrOS 2-58
By chemical elements	ПAgSnPb 2-58

Description

Solder Psros 2−58 applies: for soldering and tinning of copper, Nickel, copper and copper-Nickel alloys with silver-plated ceramics, brazing silver-plated parts;

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	57.8-59.8	0.2-0.8	Rest	≤0.01	1.7-2.3

Pb 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	8500	141

A description of the physical symbols

Name	Description
r	Density
R	UD. the resistivity