Designation
| Name |
The value |
| Designation GOST Cyrillic |
АК12М2 |
| Designation GOST Latin |
AK12M2 |
| Transliteration |
AK12M2 |
| By chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
АК11М2 |
| Designation GOST Latin |
AK11M2 |
| Transliteration |
AK11M2 |
| By chemical elements |
- |
Description
Alloy AK12M2 used: for the manufacture of ingots and shaped castings by casting under pressure.
Note
Aluminum foundry alloy of the system Al-Si-Cu.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 1583-93, TU 48-5-258-86 |
| Castings, non-ferrous metals and alloys |
В84 |
OST 1 80029-83 |
Chemical composition
| Standard |
Mn |
Si |
Ni |
Fe |
Cu |
Al |
Ti |
Zn |
Sn |
Pb |
Mg |
| GOST 1583-93 |
≤0.5 |
11-13 |
≤0.3 |
0.6-1 |
1.8-2.5 |
Rest |
≤0.2 |
≤0.8 |
≤0.1 |
≤0.15 |
≤0.15 |
Al is the base.
According to GOST 1583-93, the amount of impurities to be accounted for must be for die casting ≤ 2.20%.
Mechanical properties
| σU, MPa |
d |
HB, MPa |
| Casting. Without heat treatment |
| ≥186 |
≥1 |
≥70 |
| ≥260 |
≥1.5 |
≥83.4 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d |
Elongation after rupture |
| HB |
Brinell hardness number |
