Designation
| Name |
The value |
| Designation GOST Cyrillic |
ЗлСрМ 50-20 |
| Designation GOST Latin |
ZlCpM 50-20 |
| Transliteration |
ZlSrM 50-20 |
| By chemical elements |
AuAgCu 50-20 |
| Name |
The value |
| Designation GOST Cyrillic |
ЗлСрМ 500-200 |
| Designation GOST Latin |
ZlCpM 500-200 |
| Transliteration |
ZlSrM 500-200 |
| By chemical elements |
AuAgCu 500-200 |
Description
Alloy Clsrm 50−20 applicable: for production of sliding contacts.
Note
The gold-silver-copper alloy.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В53 |
GOST 24552-81 |
| Classification, nomenclature and General rules |
В50 |
GOST 6563-75 |
| Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 6835-2002 |
| Wire from nonferrous metals and their alloys |
В74 |
TU 48-1-68-83 |
Chemical composition
| Standard |
Fe |
Cu |
Sb |
Pb |
Bi |
Ag |
Au |
| GOST 6835-2002 |
≤0.15 |
29.2-30.8 |
≤0.005 |
≤0.005 |
≤0.005 |
19.5-20.5 |
49.7-50.3 |
Au is the base.
According to GOST 6835-2002 the amount of normalized impurities is ≤ 0.160%.
Physical characteristics
| Temperature |
r, kg/m3 |
| 20 |
12740 |
A description of the physical symbols
| Name |
Description |
| r |
Density |