Alloy D19 (1190)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
Д19 |
| Designation GOST Latin |
D19 |
| Transliteration |
D19 |
| The chemical elements |
Д19 |
| Name |
The value |
| Designation GOST Cyrillic |
1190 |
| Designation GOST Latin |
1190 |
| Transliteration |
1190 |
| The chemical elements |
1190 |
Description
Alloy D19 is used: for the production of power subassemblies of aircraft, car bodies, pipes, operating at temperatures up to +200−250 °C; profile hire for use in the aviation industry and special machine building 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 |
| Sheets and stripes |
В53 |
GOST 17232-99, OST 1 90246-77, OST 1 90166-75, OST 1 90070-92, TU 1-2-216-81, TU 1-2-217-77, TU 1-2-298-80, TU 1-804-473-2009 |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 4784-97, OST 1 90048-90 |
| Bars |
В55 |
OST 1 90395-91 |
| Sectional and shaped rolling |
В52 |
OST 1 92093-83, OST 1 92041-90, OST 1 92067-92, OST 1 92069-77, OST 1 92007-87 |
| Tapes |
В54 |
OST 1-92006-79 |
Chemical composition
| Standard |
Mn |
Si |
Fe |
Cu |
Al |
Ti |
Zn |
Mg |
Be |
| OST 1 90048-90 |
0.5-1 |
≤0.5 |
≤0.5 |
3.8-4.3 |
The rest |
≤0.1 |
≤0.1 |
1.7-2.3 |
0.0002-0.005 |
| TU 1-804-473-2009 |
0.5-1 |
≤0.5 |
≤0.5 |
3.8-4.3 |
The rest |
≤0.1 |
≤0.1 |
1.7-2.3 |
0.0002-0.005 |
Al is the base.
According to GOST 4784-97 and OST 1 90048-90, the mass fraction of each other impurity (not regulated) ≤ 0.05%, the total mass fraction of other impurities ≤ 0.10%. Beryllium is not determined by chemical analysis, but is introduced by calculation.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
d |
| The tape is able to supply for OST 1-92006-79 |
| 0.8-1.9 |
- |
≤225.4 |
- |
≥10 |
| 1.9-10.5 |
- |
≤235.2 |
- |
≥10 |
| 5-10.5 |
≥245 |
≥401.8 |
- |
≥10 |
| Panels are extruded with fins on OST 1 92041-90 on delivery |
|
≥255 |
≥390 |
≥10 |
- |
|
≥295 |
≥410 |
≥10 |
- |
| Plate in the delivery condition on the other 1-804-473-2009 |
| 11-25 |
≥275 |
≥420 |
- |
≥7 |
| 25-40 |
≥255 |
≥390 |
- |
≥5 |
| 40-70 |
≥245 |
≥370 |
- |
≥4 |
| 70-80 |
≥245 |
≥345 |
- |
≥3 |
| Plates according to GOST 17232-99 in the delivery condition. T: Quenching + natural aging (samples perpendicular to the plane of the plate) |
| 40-80 |
- |
≥345 |
- |
≥3 |
| Plates according to GOST 17232-99 in the delivery condition. T: Quenching + natural aging (samples transverse) |
| 11-25 |
≥275 |
≥420 |
- |
≥7 |
| 25-40 |
≥255 |
≥390 |
- |
≥5 |
| 40-70 |
≥245 |
≥370 |
- |
≥4 |
| 70-80 |
≥245 |
≥345 |
- |
≥3 |
| Profile rolled solid section supplied in OST 1 92093-83 |
|
≥340 |
≥460 |
≥12 |
- |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| 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 |
| d |
Elongation after rupture |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
R, НОм · м |
| 20 |
70 |
2760 |
61 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
| С |
Specific heat |
