Alloy Clsrm 90-4 (Clsrm 900-40)

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