Alloy 90 CPM (900 CPM)

Designation

Name The value
Designation GOST Cyrillic СрМ 90
Designation GOST Latin CpM 90
Transliteration SrM 90
By chemical elements AgCu 90
Name The value
Designation GOST Cyrillic СрМ 900
Designation GOST Latin CpM 900
Transliteration SrM 900
By chemical elements AgCu 900

Description

Alloy 90 SRM is used: to manufacture and discontinuous sliding contacts, electrical conductors and other technical products.

Note

Alloy silver-copper.

Standards

Name Code Standards
Classification, nomenclature and General rules В50 GOST 6563-75
Non-ferrous metals, including rare, and their alloys В51 GOST 6836-2002
Sheets and strips В53 GOST 7221-80, GOST 24552-81, TU 117-1-812-97
Tape В54 TU 117-1-398-96
Wire from nonferrous metals and their alloys В74 TU 48-1-470-89

Chemical composition

Standard Fe Cu Sb Pb Bi Ag
GOST 6836-2002 ≤0.1 9.7-10.3 ≤0.002 ≤0.004 ≤0.002 89.7-90.3
Ag is the basis.
According to GOST 6836-2002, the copper content is the rest (in the table the calculated content is indicated). The total content of impurities should be ≤ 0.110%.

Physical characteristics

Temperature r, kg/m3
20 10320

A description of the physical symbols

Name Description
r Density