Designation
Name |
The value |
Designation GOST Cyrillic |
ЗлСрМ 90-4 |
Designation GOST Latin |
ZlCpM 90-4 |
Transliteration |
ZlSrM 90-4 |
By chemical elements |
AuAgCu 90-4 |
Name |
The value |
Designation GOST Cyrillic |
ЗлСрМ 900-40 |
Designation GOST Latin |
ZlCpM 900-40 |
Transliteration |
ZlSrM 900-40 |
By chemical elements |
AuAgCu 900-40 |
Description
Alloy Clsrm 90−4 is used: for the production of dental prostheses, sliding contacts.
Note
The gold-silver-copper alloy.
Standards
Name |
Code |
Standards |
Classification, nomenclature and General rules |
В50 |
GOST 6563-75 |
Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 6835-2002 |
Sheets and strips |
В53 |
GOST 7221-80, GOST 24552-81 |
Chemical composition
Standard |
Fe |
Cu |
Sb |
Pb |
Bi |
Ag |
Au |
GOST 6835-2002 |
≤0.08 |
5.5-6.3 |
≤0.003 |
≤0.003 |
≤0.003 |
3.5-4.5 |
89.7-90.3 |
Au is the base.
According to GOST 6835-2002 the amount of normalized impurities is ≤ 0.090%.
Physical characteristics
Temperature |
r, kg/m3 |
20 |
17500 |
A description of the physical symbols
Name |
Description |
r |
Density |