Designation
| Name |
The value |
| Designation GOST Cyrillic |
1985ч |
| Designation GOST Latin |
1985ch |
| Transliteration |
1985ch |
| By chemical elements |
1985ч |
Description
Alloy 1985ч used: for the manufacture of extruded tubes and profiles; parts shipbuilding and special engineering industries; moulded panels of constant cross section with longitudinal fins in the aircraft industry, is made by a sweep of extruded finned tubes in the plane of the width of the fabric up to 2100 mm.
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 5.9442-84, OST 1 92041-90, OST 1 92059-90 |
| Tubes of non-ferrous metals and alloys |
В64 |
OST 1 92048-90, TU 5.961-11063-77 |
| Sheets and strips |
В53 |
OST 1 92073-82, OST 1 92063-78 |
| Non-ferrous metals, including rare, and their alloys |
В51 |
OST 5Р.9466-88 |
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
| Rolled sheet. Quenching + natural aging for 1-8 days |
| 4-10 |
≥200 |
≥340 |
≥16 |
| Panels are extruded with fins on OST 1 92041-90 on delivery |
|
≥225 |
≥345 |
≥13 |
|
≥325 |
≥410 |
≥10 |
| Extruded solid section area of 200 cm2 on OST 1 92059-90 in the delivery condition (without the t/o - all sizes, T - quenching + natural aging for 1 to 8 days up to 100 cm2) |
|
≥235 |
≥345 |
≥14 |
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 |
Physical characteristics
| Temperature |
r, kg/m3 |
| 20 |
2629 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
