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Solder, Psrma 68-27-5

Designation

Name The value
Designation GOST Cyrillic ПСрМО 68-27-5
Designation GOST Latin PCpMO 68-27-5
Transliteration PSrMO 68-27-5
The chemical elements ПAgCuSn 68-27-5

Description

Solder, Psrma 68−27−5 applies: for brazing titanium and titanium alloys with stainless steel; soldering and tinning of non-ferrous metals and steels.

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 Sn Pb Bi Ag
GOST 19738-74 ≤0.15 The rest 4.5-5.5 ≤0.005 ≤0.005 67.5-68.5
Ag is the basis.
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 9900 140

A description of the physical symbols

Name Description
r Density
R UD. the resistivity

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