Designation
| Name |
The value |
| Designation GOST Cyrillic |
АК12М2МгН |
| Designation GOST Latin |
AK12M2MgH |
| Transliteration |
AK12M2MgN |
| By chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
АЛ25 |
| Designation GOST Latin |
AL25 |
| Transliteration |
AL25 |
| By chemical elements |
- |
Description
Alloy Ak12m2mgn used: for the manufacture of ingots and shaped castings in a mold; casting of pistons of diesel engines.
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 48-5-290-88 |
| Castings, non-ferrous metals and alloys |
В84 |
OST 1 80029-83 |
Chemical composition
| Standard |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
Ti |
Zn |
Sn |
Pb |
Mg |
| GOST 1583-93 |
0.3-0.6 |
≤0.2 |
11-13 |
0.8-1.3 |
≤0.8 |
1.5-3 |
Rest |
0.05-0.2 |
≤0.5 |
≤0.02 |
≤0.1 |
0.8-1.3 |
Al is the base.
According to GOST 1583-93, the iron content is specified for injection molding. The amount of allowable impurities should be for die casting ≤ 1.30%.
Mechanical properties
| σU, MPa |
HB, MPa |
| Casting. Mode T1: Artificial aging without prior tempering at 200-220 °C (10-12 h exposure) |
| ≥186 |
≥90 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| HB |
Brinell hardness number |
Physical characteristics
| Temperature |
r, kg/m3 |
| 20 |
2720 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
