Bronze БрА7Н4Ж2Л
Designation
| Name |
The value |
| Designation GOST Cyrillic |
БрА7Н4Ж2Л |
| Designation GOST Latin |
BpA7H4Zh2L |
| Transliteration |
BrA7N4G2L |
| The chemical elements |
BaAl7Ni4Fe2 |
Description
Bronze БрА7Н4Ж2Л used: for the production of castings for critical heavily loaded parts of shipbuilding, marine engineering and instrumentation.
Standards
| Name |
Code |
Standards |
| Castings from non-ferrous metals and alloys |
В84 |
OST 5Р.9209-82 |
Chemical composition
| Standard |
S |
P |
Mn |
Si |
Ni |
Fe |
Cu |
Al |
V |
Ti |
Zn |
Sn |
Sb |
Pb |
| OST 5Р.9209-82 |
≤0.01 |
≤0.03 |
0.3-1 |
0.05-0.25 |
3-4 |
0.2-2 |
The rest |
6.5-7.5 |
0.01-0.1 |
0.01-0.1 |
≤1 |
≤0.2 |
≤0.002 |
≤0.05 |
Cu is the basis.
According to OST 5P.9209-82, the total content of impurities is ≤ 1.20%. Impurities, which are not regulated, are included in the total amount of impurities.
Mechanical characteristics
| sT|s0,2, MPa |
σB, MPa |
d5, % |
kJ/m2, кДж/м2 |
| Casting as supplied. Without heat treatment |
| ≥176.2 |
≥392 |
≥20 |
≥392 |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| kJ/m2 |
Toughness |
