Designation
Name |
The value |
Designation GOST Cyrillic |
БрОЦС4-4-4 |
Designation GOST Latin |
BpOTsC4-4-4 |
Transliteration |
BrOTsS4-4-4 |
By chemical elements |
BaSnZnPb4-4-4 |
Description
Bronze Brocs4−4-4 is used: for the manufacture of tapes and bands used for gaskets, bushings and bearings.
Standards
Name |
Code |
Standards |
Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 28873-90, GOST 5017-2006 |
Sheets and strips |
В53 |
TU 48-21-210-94 |
Chemical composition
Standard |
S |
P |
Ni |
Fe |
Cu |
Al |
Zn |
Sn |
Sb |
Pb |
Bi |
Mg |
GOST 5017-2006 |
≤0.007 |
≤0.03 |
≤0.3 |
≤0.05 |
Rest |
≤0.002 |
3-5 |
3-5 |
≤0.002 |
3.5-4.5 |
≤0.002 |
≤0.007 |
Cu is the basis.
According to GOST 5017-2006, the total content of other impurities (not specified in the chemical composition) should be ≤ 0,20%.
Mechanical properties
σU, MPa |
d5, % |
Castings according to GOST 2685-75 |
320-360 |
30-40 |
500-600 |
1-2 |
Description mechanical marks
Name |
Description |
σU |
Limit short-term strength |
d5 |
Elongation after rupture |
Physical characteristics
Temperature |
Е, HPa |
r, kg/m3 |
R, Mr. · m |
20 |
72 |
9100 |
90 |
A description of the physical symbols
Name |
Description |
l |
Coefficient of thermal conductivity |
R |
UD. the resistivity |