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Solder, Psro 3-97

Designation

Name The value
Designation GOST Cyrillic ПСрО 3-97
Designation GOST Latin PCpO 3-97
Transliteration PSrO 3-97
The chemical elements ПAgSn 3-97

Description

Solder, Psro 3−97 applies: 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 metals, and their alloys В51 GOST 19738-74
Sheets and stripes В53 GOST 19739-74

Chemical composition

Standard Fe Sn Pb Bi Ag
GOST 19738-74 ≤0.15 The rest ≤0.2 ≤0.01 2.7-3.3
Sn is the basis.
According to GOST 19738-74, the sum of detectable impurities should be ≤ 0.30%.

Physical characteristics

Temperature r, кг/м3 R, НОм · м
20 7400 125

A description of the physical symbols

Name Description
r Density
R UD. the resistivity

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