Bronze Bro6c6s3 (БрОЦС6-6-3)

Designation

Name The value
Designation GOST Cyrillic БрО6Ц6С3
Designation GOST Latin BpO6Ts6C3
Transliteration BrO6Ts6S3
By chemical elements BaSn6Zn6Pb3
Name The value
Designation GOST Cyrillic БрОЦС6-6-3
Designation GOST Latin BpOTsC6-6-3
Transliteration BrOTsS6-6-3
By chemical elements BaSnZnPb6-6-3

Description

Bronze Bro6c6s3 used: for the manufacture of valves for critical applications, anti-friction parts, bearings; shaped castings.

Note

Recommended as a substitute for brass Lmcs (ЛМцС58−2-2).

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 613-79, OST 1 90054-72
Castings, non-ferrous metals and alloys В84 OST 1 90046-72

Chemical composition

Standard S P Si Ni Fe Cu As Al Zn Sn Sb Pb Bi Mg
GOST 613-79 ≤0.05 ≤0.05 ≤0.02 ≤2 ≤0.4 Rest ≤0.15 ≤0.05 5-7 5-7 ≤0.5 2-4 ≤0.02 ≤0.02
OST 1 90054-72 - ≤0.05 ≤0.02 - ≤0.4 Rest - ≤0.05 5-7 5-7 ≤0.5 2-4 ≤0.02 -
Cu is the basis.
The total percentage of impurities in the OST 1 90054-72 (elements with a content ≤) is 1.3%. Impurities that are not regulated by the table are included in the total amount of impurities.
According to GOST 613-79, the total content of impurities should be ≤ 1.30%. Impurities not regulated by the standard are included in the total amount of impurities. The mass fraction of nickel due to copper and the sum of impurities is not included.

Mechanical properties

σU, MPa d5, % HB, MPa
Castings are supplied without heat treatment
≥147 ≥6 ≥60
≥176.2 ≥4 ≥60
Casting investment casting according to OST 1 90046-72 (samples separately cast or cut from castings)
≥177 ≥10 ≥60

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
HB Brinell hardness number