Alloy AK12M2 (АК11М2)
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Alloy AK12M2 (AK11M2)
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Alloy AK8M3
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Alloy AL1
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | АК12М2 |
| Designation GOST Latin | AK12M2 |
| Transliteration | AK12M2 |
| The chemical elements | - |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | АК11М2 |
| Designation GOST Latin | AK11M2 |
| Transliteration | AK11M2 |
| The 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 metals, and their alloys | В51 | GOST 1583-93, TU 48-5-258-86 |
| Castings from 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 | The 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%.
According to GOST 1583-93, the amount of impurities to be accounted for must be for die casting ≤ 2.20%.
Mechanical characteristics
| σB, MPa | d | Brinell hardness number, MPa |
|---|---|---|
| Casting. Without heat treatment | ||
| ≥186 | ≥1 | ≥70 |
| ≥260 | ≥1.5 | ≥83.4 |
Description mechanical marks
| Name | Description |
|---|---|
| σB | Limit short-term strength |
| d | Elongation after rupture |
