Alloy AK6 (1360)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
АК6 |
| Designation GOST Latin |
AK6 |
| Transliteration |
AK6 |
| The chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
1360 |
| Designation GOST Latin |
1360 |
| Transliteration |
1360 |
| The chemical elements |
1360 |
Description
Alloy AK6 is used: for the manufacture of pressed extra virgin rods; stamped and forged parts of complex shape and medium strength of the aviation industry; extruded large pipes.
Standards
| Name |
Code |
Standards |
| Pipes from non-ferrous metals and alloys |
В64 |
GOST 18482-79, GOST 23697-79, OST 1 92048-90, OST 1 92048-76, TU 1-4-139-73, TU 1-9-459-73 |
| Bars |
В55 |
GOST 21488-97, GOST Р 51834-2001, OST 1 90395-91, TU 1-2-307-79 |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 4784-97, OST 1 90048-90, OST 1 90334-83 |
| Sectional and shaped rolling |
В52 |
GOST 8617-81, 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, TU 1-2-303-79 |
| Metal forming. Forgings |
В03 |
OST 1 90073-85 |
Chemical composition
| Standard |
Mn |
Si |
Ni |
Fe |
Cu |
Al |
Ti |
Zn |
Mg |
| OST 1 90048-90 |
0.4-0.8 |
0.7-1.2 |
≤0.1 |
≤0.4 |
1.8-2.6 |
The rest |
≤0.1 |
≤0.3 |
0.4-0.8 |
| GOST 4784-97 |
0.4-0.8 |
0.7-1.2 |
≤0.1 |
≤0.7 |
1.8-2.6 |
The rest |
≤0.1 |
≤0.3 |
0.4-0.8 |
Al is the base.
According to GOST 4784-97, the mass fraction of each other impurity (not regulated) ≤ 0.05%, the total mass fraction of other impurities ≤ 0.10%.
According to OST 1 90048-90 the chemical composition is given for the alloy AK6h. Mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
| Forgings up to 300 mm punching up to 200 mm for OST 1 90073-85. Mode T1: Quenching + artificial aging (indicated by the direction of samples) |
|
- |
≥345 |
≥6 |
- |
≥95 |
|
- |
≥365 |
≥8 |
- |
≥95 |
|
≥245 |
≥365 |
≥7 |
- |
≥100 |
|
≥275 |
≥380 |
≥10 |
- |
≥100 |
| Profiles and pressed bars normal strength according to GOST 8617-81, GOST 21488-97 in the delivery condition (longitudinal samples) |
|
- |
≥353 |
≥12 |
- |
- |
| Bars extruded high tensile strength in the delivery condition according to GOST 21488-97 (longitudinal samples) |
| 8-300 |
≥265 |
≥375 |
≥10 |
- |
- |
| Tubes extruded in the state of delivery according to GOST 18482-79 (samples, in cross-section shows the thickness of the wall) |
| ≤5 |
- |
≥285 |
≥8 |
- |
- |
| 5 |
- |
≥315 |
≥10 |
- |
- |
| 5-40 |
- |
≥355 |
≥10 |
- |
- |
| Large-size extruded tubes according to OST 1 92048-76 on delivery |
|
- |
≥353 |
≥10 |
- |
- |
| Welded straight-seam pipes supplied according to GOST 23697-79 (samples, in the cross-section of the specified diameter of pipes) |
|
- |
≥156.8 |
≥6 |
- |
- |
| Forming in the state of delivery |
|
≥378 |
≥447 |
≥12.5 |
≥190 |
95-100 |
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 |
| kJ/m2 |
Toughness |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
R, НОм · м |
| 20 |
72 |
2750 |
41 |
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 |
Welding is done in the environment of protective gases. |
| Features of heat treatment |
Heat-treatable alloy. |
