Designation
| Name |
The value |
| Designation GOST Cyrillic |
АК6-1 |
| Designation GOST Latin |
AK6-1 |
| Transliteration |
AK6-1 |
| By chemical elements |
- |
Description
Alloy AK6−1 is used: for the manufacture of pressed extra virgin rods; stamped and forged parts of complex shape and medium strength of the aviation industry (impellers, sub frames, fittings, pumping units, fasteners).
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare, and their alloys |
В51 |
OST 1 90048-90 |
| Processing of metals by pressure. Forgings |
В03 |
OST 1 90073-85 |
| Bars and shapes |
В52 |
OST 1 92093-83 |
Chemical composition
| Standard |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
Ti |
Zn |
Mg |
| OST 1 90048-90 |
0.4-0.8 |
0.01-0.2 |
0.7-1.2 |
≤0.1 |
≤0.7 |
1.8-2.6 |
Rest |
0.02-0.1 |
≤0.3 |
0.4-0.8 |
Al is the base.
According to OST 1 90048-90 the total mass fraction of Fe + Ni ≤ 0.70%, the total mass fraction of other impurities ≤ 0.10%. The sum of all impurities is ≤ 1.10%.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
HB, 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 |
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 |
| HB |
Brinell hardness number |
Physical characteristics
| Temperature |
Е, HPa |
r, kg/m3 |
R, Mr. · m |
| 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. |