Bronze Bro4c4s17 (Brocs4-4-17)

Designation

Name The value
Designation GOST Cyrillic БрО4Ц4С17
Designation GOST Latin BpO4Ts4C17
Transliteration BrO4Ts4S17
By chemical elements BaSn4Zn4Pb17
Name The value
Designation GOST Cyrillic БрОЦС4-4-17
Designation GOST Latin BpOTsC4-4-17
Transliteration BrOTsS4-4-17
By chemical elements BaSnZnPb4-4-17

Description

Bronze Bro4c4s17 used: for the manufacture of casting parts, metallurgical engineering (anti-friction parts, fittings and other parts with a surface of the high purity).

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

Chemical composition

Standard S P Si Ni Fe Cu As Al Zn Sn Sb Pb Mg
GOST 613-79 ≤0.05 ≤0.1 ≤0.05 ≤2 ≤0.4 Rest ≤0.15 ≤0.05 2-6 3.5-5.5 ≤0.5 14-20 ≤0.02
Cu is the basis.
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 ≥12 ≥60
≥147 ≥5 ≥60

Description mechanical marks

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