Solder, 5-40 Psro (CPG-12)

Designation

Name The value
Designation GOST Cyrillic ПСрО 5-40
Designation GOST Latin PCpO 5-40
Transliteration PSrO 5-40
By chemical elements ПAgSn 5-40
Name The value
Designation GOST Cyrillic ВПР-12
Designation GOST Latin BPP-12
Transliteration VPR-12
By chemical elements ВПHg-12

Description

Solder, 5−40 Psro used: for the manufacture of cast bars for soldering and tinning of copper, Nickel, copper and copper-Nickel alloys.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 TU 48-1-323-87

Chemical composition

Standard P Cu Sn Sb Pb Ag
TU 48-1-323-87 0.15 5 40 1.5 Rest 5
Pb is the basis.
As charge materials for the production of rods according to TU 48-1-323-87 use: silver grades СрА-1, СрА-2 according to OST 48-78-83; copper grades M0k, M1 in accordance with GOST 859; tin of grade O1 in accordance with GOST 860; antimony marks Su00, Su0 according to GOST 1089; copper phosphorous grade MF10 in accordance with GOST 4515; lead grade C1 according to GOST 3778. Use of appropriate waste is allowed. Deviations in chemical composition are allowed: silver ± 0.50%, copper ± 0.50%, tin ± 1.00%, antimony ± 0.20%, phosphorus ± 0.050%.