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Solder PSR 25

Designation

Name The value
Designation GOST Cyrillic ПСр 25
Designation GOST Latin PCp 25
Transliteration PSr 25
The chemical elements ПAg 25

Description

The solder 25 RPS 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-Nickel alloys; soldering and tinning of jewelry.

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 Cu Pb Bi Zr Ag
GOST 19738-74 ≤0.1 40-41 ≤0.05 ≤0.005 The rest 24.7-25.3
According to GOST 19738-74 the sum of the impurities to be determined should be ≤ 0.15%.

Physical characteristics

Temperature r, кг/м3 R, НОм · м
20 8700 77

A description of the physical symbols

Name Description
r Density
R UD. the resistivity

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