Solder, Psrma 5 (CDF-9)

Designation

Name The value
Designation GOST Cyrillic ПСрМО 5
Designation GOST Latin PCpMO 5
Transliteration PSrMO 5
By chemical elements ПAgCuSn 5
Name The value
Designation GOST Cyrillic ВПр-9
Designation GOST Latin BPp-9
Transliteration VPr-9
By chemical elements ВPr-9

Description

Solder, Psrma 5 is applied: for soldering and tinning of copper, Nickel, copper and copper-Nickel alloy with Silverplated ceramics, soldering Silverplated items.

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 Cu Sn Sb Pb Bi Ag
GOST 19738-74 ≤0.2 1.5-2.5 Rest 0.8-1.2 ≤0.2 ≤0.015 4.5-5.5
Sn is the basis.
According to GOST 19738-74 the sum of the impurities to be determined should be ≤ 0,40%.

Physical characteristics

Temperature r, kg/m3 R, Mr. · m
20 7400 153

A description of the physical symbols

Name Description
r Density
R UD. the resistivity