Alloy 1201
Designation
| Name |
The value |
| Designation GOST Cyrillic |
1201 |
| Designation GOST Latin |
1201 |
| Transliteration |
1201 |
| The chemical elements |
1201 |
Description
Alloy 1201 is used: for the manufacture of welded products operating operating at temperatures down to -253 °C; welded structures operating at cryogenic and elevated temperatures.
Note
Termouprochnennyh alloy. Strengthening effect opened in 1938.
ISO 209−1 alloy brand 1201 is designated АlCu6Mn and 2219.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 4784-97, OST 1 90048-90 |
| Sheets and stripes |
В53 |
OST 1 90271-78, OST 1 90272-78, OST 1 90290-80, TU 1-2-453-83, TU 1-2-458-84 |
| Metal forming. Forgings |
В03 |
OST 1 90299-81 |
| Pipes from non-ferrous metals and alloys |
В64 |
OST 1 92048-90, TU 1-2-449-83, TU 1-2-478-85 |
| Sectional and shaped rolling |
В52 |
OST 1 92093-83, OST 1 90287-87 |
| Bars |
В55 |
TU 1-2-306-74 |
Chemical composition
| Standard |
Mn |
Si |
Fe |
Cu |
Al |
V |
Ti |
Zn |
Zr |
Mg |
| OST 1 90287-87 |
0.2-0.4 |
≤0.2 |
≤0.3 |
5.8-6.8 |
The rest |
0.05-0.15 |
0.02-0.1 |
≤0.1 |
0.1-0.25 |
≤0.02 |
| GOST 4784-97 |
0.2-0.4 |
≤0.2 |
≤0.3 |
5.8-6.8 |
The rest |
0.05-0.15 |
0.02-0.1 |
≤0.1 |
0.1-0.25 |
≤0.02 |
Al is the base.
According to GOST 4784-97, the mass fraction of each other impurity (not regulated) is ≤ 0.05%, the total mass fraction of other impurities is ≤ 0.15%.
According to OST 1 90048-90 the total mass fraction of other impurities is ≤ 0.15%.
According to OST 1 90271-78, OST 1 90272-78, OST 1 90287-87, the hydrogen content in the alloy should not exceed 0.20 cm 3 per 100 g of metal.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
d10 |
| Steel hot-rolled sheet according to OST 1 90271-78. In the delivery condition specifies the condition of the material / condition of the test specimen (longitudinal or transverse) |
| 1-3.5 |
≥110 |
≤215 |
- |
≥12 |
| 3.5-5 |
≥120 |
≤215 |
- |
≥12 |
| 5-10.5 |
≥135 |
≤215 |
- |
≥12 |
| 1-1.9 |
≥221 |
≥334 |
- |
≥7 |
| 1-1.9 |
≥280 |
≥378 |
- |
≥7 |
| 6-10.5 |
≥365 |
≥490 |
- |
|
| 1-1.9 |
≥280 |
≥378 |
- |
≥7 |
| 6-10.5 |
≥365 |
≥490 |
- |
|
| Plate hot rolled for OST 1 90272-78. In the delivery condition specifies the condition of the material / condition of the test samples (in altitude direction, from the middle part of the plate) |
| 40-60 |
≥295 |
≥385 |
≥3 |
- |
| 60-90 |
≥295 |
≥385 |
≥2 |
- |
| 40-60 |
≥295 |
≥385 |
≥3 |
- |
| 60-90 |
≥295 |
≥385 |
≥2 |
- |
| Plate hot rolled for OST 1 90272-78. In the delivery condition specifies the condition of the material / condition of the test specimen (longitudinal or transverse, from the middle part of the plate) |
| 11-90 |
≥110 |
≤215 |
≥12 |
- |
| 11-25 |
≥345 |
≥440 |
≥5 |
- |
| 11-25 |
≥345 |
≥440 |
≥5 |
- |
| 11-90 |
≥235 |
≥355 |
≥6 |
- |
| 11-20 |
≥365 |
≥500 |
|
- |
| 11-55 |
≥315 |
≥420 |
≥6 |
- |
| 20-55 |
≥375 |
≥505 |
|
- |
| 55-75 |
≥310 |
≥420 |
≥6 |
- |
| 75-90 |
≥300 |
≥410 |
≥5 |
- |
| 11-20 |
≥365 |
≥500 |
|
- |
| 11-55 |
≥315 |
≥420 |
≥6 |
- |
| 20-55 |
≥375 |
≥505 |
|
- |
| 55-75 |
≥310 |
≥420 |
≥6 |
- |
| 75-90 |
≥300 |
≥410 |
≥5 |
- |
| Extruded OST 1 90287-87. In the delivery condition specifies the condition of the material / condition of test specimens (longitudinal); in cross section - flange thickness, mm |
|
≥315 |
≥440 |
≥6 |
- |
|
≥245 |
≥370 |
≥6 |
- |
|
≤135 |
≤235 |
≥12 |
- |
|
≥375 |
≥490 |
≥6 |
- |
|
≥175 |
≥285 |
≥14 |
- |
|
≥284 |
≥382 |
≥5 |
- |
| ≤30; ≥100 |
≥295 |
≥390 |
≥6 |
- |
| 30-100 |
≥300 |
≥405 |
≥6 |
- |
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 |
| d10 |
Elongation after rupture |
Physical characteristics
| Temperature |
r, кг/м3 |
| 20 |
2850 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
Technological properties
| Name |
The value |
| Weldability |
Without restrictions. |
| Features of production |
Sheets OST 1 90271-78, plate OST 1 90272-78 are delivered: the method of manufacture with normal plating - A (1201А); material condition: annealed - M (1201АМ), tempered - T (1201АТ) Board with an average degree of deformation of 1,5-3,0 %, tempered and artificially aged T1 (1201АТ1) - the Board, after quenching with an average degree of deformation of 1,5-3,0 %, cold-worked after quenching with an average uplift of 7-10 % - TN (1201АТН), cold-worked after quenching with an average uplift of 7-10 % and artificially aged Т1Н (1201АТ1Н). Accuracy of manufacturing according to the thickness and quality of surface finish - ordinary finish, without the additional symbols according to GOST 21631. Extruded cross-sections up to 500 cm2 in OST 1 90287-87 come: without heat treatment (1201), annealed - M (1201М), hardened and the Board - T (1201Т), hardened, artificially aged, and the Board - T1 (1201Т1). |
