Bronze Brof7-0,2
Bronze BrMcO7-3
Bronze БрОФ2-0,25
Bronze БрОФ4-0,25
Bronze БрОФ6,5-0,15
Bronze БрОФ6,5-0,4
Bronze БрОФ7-0,2
Bronze БрОФ8-0,3
Bronze БрОЦ4-3
Bronze БрОЦС4-4-2,5
Bronze БрОЦС4-4-4
Bronze БрХ0,3О0,3Цр0,1 (БрХОЦр0,3-0,3-0,1)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
БрОФ7-0,2 |
| Designation GOST Latin |
BpOF7-0,2 |
| Transliteration |
BrOF7-02 |
| The chemical elements |
BaSnP7-0,2 |
Description
Bronze Brof7−0,2 is used: for the manufacture of bars and strips used to manufacture a variety of parts; gears, sprockets; bushings and spacers of heavily loaded machines.
Standards
| Name |
Code |
Standards |
| Bars |
В55 |
GOST 10025-78 |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 28873-90, GOST 5017-2006 |
Chemical composition
| Standard |
S |
P |
Si |
Ni |
Fe |
Cu |
Al |
Zn |
Sn |
Sb |
Pb |
Bi |
Mg |
| GOST 5017-2006 |
≤0.007 |
0.1-0.25 |
≤0.005 |
≤0.2 |
≤0.05 |
The rest |
≤0.002 |
≤0.3 |
7-8 |
≤0.002 |
≤0.02 |
≤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 ≤ 0.10%.
Mechanical characteristics
| σB, MPa |
d10 |
Brinell hardness number, MPa |
| Bars extruded round (40-95 mm) as supplied according to GOST 10025-78 |
| ≥362.6 |
≥55 |
≥70 |
| Round bars, drawn, or cold-rolled (16-40 mm) as supplied according to GOST 10025-78 |
| ≥392 |
≥40 |
≥80 |
| ≥568.4 |
≥6 |
≥180 |
| ≥441 |
≥15 |
≥130 |
| ≥519.4 |
≥10 |
≥150 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d10 |
Elongation after rupture |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
l, Вт/(м · °С) |
R, НОм · м |
| 20 |
115 |
8600 |
419 |
170 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
