Solder PMC48

Designation

Name The value
Designation GOST Cyrillic ПМЦ48
Designation GOST Latin PMTs48
Transliteration PMTs48
By chemical elements ПCuZn48

Description

Solder PMC48 applies: for brazing copper alloys with a copper content of over 68%.

Note

Copper-zinc solder.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 23137-78, GOST 28873-90

Chemical composition

Standard Fe Cu Zn Pb
GOST 23137-78 ≤0.1 46-50 Rest ≤0.5
Zn is the basis.
According to GOST 23137-78, according to the manufacturer's agreement with the consumer, the limits of copper content and lead content can be reduced.

Mechanical properties

σU, MPa d5, % HB, MPa
Solder supplied according to GOST 23137-78
≥205.8 ≥3 ≥130

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
HB Brinell hardness number

Physical characteristics

Temperature r, kg/m3 R, Mr. · m a, 10-6 1/°C
20 8200 4500 21

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
R UD. the resistivity