Designation
| Name |
The value |
| Designation GOST Cyrillic |
В93 |
| Designation GOST Latin |
B93 |
| Transliteration |
V93 |
| By chemical elements |
В93 |
| Name |
The value |
| Designation GOST Cyrillic |
В93пч |
| Designation GOST Latin |
B93pch |
| Transliteration |
V93pch |
| By chemical elements |
В93пч |
| Name |
The value |
| Designation GOST Cyrillic |
1930 |
| Designation GOST Latin |
1930 |
| Transliteration |
1930 |
| By chemical elements |
1930 |
Description
Alloy В93 used: for the manufacture of highly loaded structures aeronautical engineering, working mainly in compression.
Note
The alloy system Al-Zn-Mg.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В52 |
GOST 13616-97, GOST 13617-97, GOST 13618-97, GOST 13619-97, GOST 13620-90, GOST 13621-90, GOST 13622-91, GOST 13623-90, GOST 13624-90, GOST 13737-90, GOST 13738-91, GOST 17575-90, GOST 17576-97, GOST 29296-92, GOST 29303-92, GOST Р 50066-92, GOST Р 50067-92, GOST Р 50077-92, OST 1 92093-83, OST 1 92066-91, TU 1-5-218-75 |
| Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 4784-97, OST 1 92014-90, OST 1 90026-80, TU 1-83-41-79 |
| Processing of metals by pressure. Forgings |
В03 |
OST 1 90073-85 |
| Sheets and strips |
В53 |
OST 1 90089-73 |
| Bars |
В55 |
OST 1 90395-91, TU 1-2-302-79 |
Chemical composition
| Standard |
Mn |
Si |
Fe |
Cu |
Al |
Ti |
Zn |
Mg |
| GOST 4784-97 |
≤0.1 |
≤0.1 |
0.2-0.4 |
0.8-1.2 |
Rest |
≤0.1 |
6.5-7.3 |
1.6-2.2 |
| OST 1 92014-90 |
≤0.1 |
≤0.3 |
0.2-0.45 |
0.8-1.2 |
Rest |
≤0.1 |
6.3-7.3 |
1.6-2.2 |
| OST 1 90026-80 |
≤0.1 |
≤0.1 |
0.2-0.4 |
0.8-1.2 |
Rest |
≤0.1 |
6.5-7.3 |
1.6-2.2 |
Al is the base.
According to GOST 4784-97 and OST 1 90026-80 the chemical composition is given for an alloy of increased purity B93pch; according to OST 1 92014-90 - for alloy B93 (1930). Mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
HB, MPa |
| Forgings supplied |
|
≥450 |
≥490 |
≥7 |
≥125 |
| Forgings of alloy V93pch at OST 1 90073-85. Mode T3: Quenching + artificial aging |
| ≤150 |
330-410 |
410-480 |
≥5 |
≥100 |
| 150-300 |
330-390 |
410-470 |
≥5 |
≥100 |
| ≤150 |
330-410 |
410-480 |
≥8 |
≥100 |
| 150-300 |
330-390 |
410-470 |
≥7 |
≥100 |
| ≤300 |
330-410 |
410-480 |
≥6 |
≥100 |
| ≤150 |
330-410 |
410-480 |
≥9 |
≥100 |
| 150-300 |
330-410 |
410-480 |
≥8 |
≥100 |
| Forgings section up to 300 mm of alloy V93pch at OST 1 90073-85. Mode T1: Quenching + artificial aging (indicated by the direction of samples) |
|
≥420 |
≥470 |
≥4 |
≥125 |
|
≥430 |
≥470 |
≥6 |
≥125 |
|
≥430 |
≥470 |
≥4 |
≥125 |
|
≥430 |
≥470 |
≥6 |
≥125 |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| HB |
Brinell hardness number |
Physical characteristics
| Temperature |
Е, HPa |
r, kg/m3 |
R, Mr. · m |
| 20 |
70 |
2840 |
408 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
