The PSR 40 Solder

Designation

Name	The value
Designation GOST Cyrillic	ПСр 40
Designation GOST Latin	PCp 40
Transliteration	PSr 40
By chemical elements	ПAg 40

Description

The PSR 40 solder is applied: for tin plating and soldering of copper, copper and copper-Nickel alloys, Nickel, Kovar, Nickel silver, brass and bronze; brazing steel with copper, Nickel, copper and copper-zinc alloys; brazing of copper and brass with Kowary, Nickel, stainless steels and heat resistant alloys; soldering with lead-tin bronze; high temperature (solid), capillary soldering of fittings from copper and copper alloys are designed for connection to copper pipes (according to GOST R 52318) used in drinking water systems, hot and cold water, water (steam) heating, cooling, sewage, water treatment plants and gas supply.

Standards

Name	Code	Standards
Non-ferrous metals, including rare, and their alloys	В51	GOST 19738-74, GOST Р 52955-2008
Sheets and strips	В53	GOST 19739-74
Hard alloys, ceramic-metal products and metal powder	В56	TU 117-1-366-96
Tape	В54	TU 117-1-801-93

Chemical composition

Standard	Ni	Fe	Cu	Zn	Pb	Bi	Ag	Cd
GOST 19738-74	0.1-0.5	≤0.1	16-17.4	16.2-17.8	≤0.05	≤0.005	39-41	Rest
GOST Р 52955-2008	0.1-0.5	≤0.15	16-17.4	16.2-17.8	≤0.15	≤0.005	39-41	Rest

Ag is the basis.
According to GOST 19738-74 the sum of the impurities to be determined should be ≤ 0.15%.
According to GOST R 52955-2008 the amount of other elements ≤ 0,20%.

Physical characteristics

Temperature	r, kg/m³	R, Mr. · m
20	9250	70

A description of the physical symbols

Name	Description
r	Density
R	UD. the resistivity