Bronze Bro4c4s17 (Brocs4-4-17)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
БрО4Ц4С17 |
| Designation GOST Latin |
BpO4Ts4C17 |
| Transliteration |
BrO4Ts4S17 |
| The chemical elements |
BaSn4Zn4Pb17 |
| Name |
The value |
| Designation GOST Cyrillic |
БрОЦС4-4-17 |
| Designation GOST Latin |
BpOTsC4-4-17 |
| Transliteration |
BrOTsS4-4-17 |
| The 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 metals, 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 |
The 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 characteristics
| σB, MPa |
d5, % |
Brinell hardness number, MPa |
| Castings are supplied without heat treatment |
| ≥147 |
≥12 |
≥60 |
| ≥147 |
≥5 |
≥60 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
