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GOST 23137-78

GOST R ISO 5832-2-2014 GOST R ISO 5832-3-2014 GOST R ISO 5832-11-2014 STATE STANDARD P 53777-2010 STATE STANDARD P 52802-2007 GOST 12341-81 GOST 21931-76 GOST 6902-75 GOST 21930-76 GOST 19658-81 GOST 23137-78 GOST 2169-69 GOST 19738-74 GOST 13498-79 GOST 30649-99 GOST P 52245-2004 GOST P 52244-2004

GOST 23137−78 Copper-zinc solders. Brands


GOST 23137−78
Group B51

INTERSTATE STANDARD

SOPHONES COPPER-ZINC

Brands

Copper-zinc solders. Grades

Date of introduction 1980−01−01


Decree of the State Committee of Standards of the Council of Ministers of the USSR of May 24, 1978 N 1385 the date of introduction is established from 01.01.80

The limitation of the term of validity is withdrawn according to the protocol No. 4−93 of the Interstate Council for Standardization, Metrology and Certification (IMS 4−94)

1. This standard applies to copper-zinc solders, used for soldering, and sets brands of solders.

2. The grades and the chemical composition of solders shall comply with the requirements specified in the table.

Chemical composition, %
Name of solder Make Main Components
 Impurities,
no more
 Approximate purpose
Copper Zinc Iron Lead
Copper and zinc 36 PMC36 34−38 Rest 0.1 0.5 For soldering brass containing up to 68% copper
Copper-zinc 48 PMC48 46−50 Also 0.1 0.5 For soldering copper alloys containing more than 68% copper,
Copper and zinc 54 PMC54 52−56 « 0.1 0.5 For soldering copper, tombac, bronze and steel


Note. According to the manufacturer’s agreement with the consumer, the limits of copper content and lead impurity content can be reduced.

3. The mechanical and physical properties of solders are given in the appendix.

ATTACHMENT
Reference


Mechanical and physical properties of copper-zinc solders

Make Melting point, ° С

Raft-
Density, kg / m GOST 23137-78 Copper-zinc solders. Brands

Coefficient of linear expansion GOST 23137-78 Copper-zinc solders. Brandsx10 GOST 23137-78 Copper-zinc solders. Brands

Specific electrosupport.
Thickness, Ohm · mm GOST 23137-78 Copper-zinc solders. Brands/ m

Ultimate tensile strength GOST 23137-78 Copper-zinc solders. Brands, MPa (kgf / mm) GOST 23137-78 Copper-zinc solders. Brands)

Relating
elongation GOST 23137-78 Copper-zinc solders. Brands,%

 Tver-
HI, HB
liquidus solidus
PMC36 825 800 7.7 22 10.3 Fragile - -
PMC48 865 850 8.2 21 4,5 205.8 (21) 3 130
PMC54 880 876 8.3 21 4.0 343 (35) 20 128