Designation
| Name |
The value |
| Designation GOST Cyrillic |
1973 |
| Designation GOST Latin |
1973 |
| Transliteration |
1973 |
| By chemical elements |
1973 |
Description
1973 alloy is usedfor producing high-strength parts of aircraft and helicopters; for the production of rolled semi-finished products (sheets, plates), extruded products (profiles, strips, rods) and dragged semi-finished products (wire).
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, TU 1-3-052-91 |
| Non-ferrous metals, including rare, and their alloys |
В51 |
OST 1 90026-80 |
| Sheets and strips |
В53 |
TU 1-92-118-87 |
Chemical composition
| Standard |
Mn |
Cr |
Si |
Fe |
Cu |
Al |
Ti |
Zn |
Mg |
| OST 1 90026-80 |
≤0.1 |
≤0.05 |
≤0.7 |
≤0.7 |
1.4-2.2 |
Rest |
≤0.05 |
5.5-6.7 |
3 |
Al is the base.
According to OST 1 90026-80 the total content of other impurities is ≤ 0.10%. The content of each other impurity is ≤ 0.050%.
Physical characteristics
| Temperature |
Е, HPa |
G, HPa |
r, kg/m3 |
С, J/(kg · °C) |
| 20 |
72 |
27 |
2850 |
800 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| G |
Modulus of elasticity shear torsion |
| r |
Density |
| С |
Specific heat |
Technological properties
| Name |
The value |
| Weldability |
alloy nevrivy, the limited weldability of point and roller welding |
