Alloy 90 CPM (900 CPM)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
СрМ 90 |
| Designation GOST Latin |
CpM 90 |
| Transliteration |
SrM 90 |
| The chemical elements |
AgCu 90 |
| Name |
The value |
| Designation GOST Cyrillic |
СрМ 900 |
| Designation GOST Latin |
CpM 900 |
| Transliteration |
SrM 900 |
| The 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 norms |
В50 |
GOST 6563-75 |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 6836-2002 |
| Sheets and stripes |
В53 |
GOST 7221-80, GOST 24552-81, TU 117-1-812-97 |
| Tapes |
В54 |
TU 117-1-398-96 |
| Wire of non-ferrous 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, кг/м3 |
| 20 |
10320 |
A description of the physical symbols
| Name |
Description |
| r |
Density |
