Alloy AK9M2
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Alloy AK5M4
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Alloy AK5Mh (AL5-1)
Alloy AK6M2
Alloy AL21
Alloy AK7M2
Alloy AK7pch (AL9-1)
Alloy AK7C9 (AL11)
Alloy AK7h (AL9)
Alloy AK8L (AL34)
Alloy AK8M (AL32)
Alloy AK8M3
Alloy AK8M3h (VAL8)
Alloy AK9 (AL4V)
Alloy AK9M2
Alloy AK9pch (AL4-1)
Alloy AK9s
Alloy AK9C6 (AK9C6r)
Alloy AK9h (AL4)
Alloy AL1
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | АК9М2 |
| Designation GOST Latin | AK9M2 |
| Transliteration | AK9M2 |
| The chemical elements | - |
Description
Alloy AK9M2 used: for the manufacture of ingots and shaped castings in a variety of ways of casting (chill casting, injection molding).
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 48-00195817-11-92 |
| Castings from non-ferrous metals and alloys | В84 | OST 1 80029-83 |
Chemical composition
| Standard | Mn | Cr | Si | Ni | Fe | Cu | Al | Ti | Zn | Mg |
|---|---|---|---|---|---|---|---|---|---|---|
| GOST 1583-93 | 0.1-0.4 | ≤0.1 | 7.5-10 | ≤0.5 | ≤1 | 0.5-2 | The rest | 0.05-0.2 | ≤1.2 | 0.2-0.8 |
Al is the base.
According to GOST 1583-93, the iron content is indicated for casting in chill molds. Casting in sand molds and waxed models from this alloy is usually not made. The iron content for injection molding should be ≤ 1.20%. The amount of allowable impurities should be for die casting ≤ 2.60%, die casting ≤ 2.80%. The total content of lead and tin should be ≤ 0.15%.
According to GOST 1583-93, the iron content is indicated for casting in chill molds. Casting in sand molds and waxed models from this alloy is usually not made. The iron content for injection molding should be ≤ 1.20%. The amount of allowable impurities should be for die casting ≤ 2.60%, die casting ≤ 2.80%. The total content of lead and tin should be ≤ 0.15%.
Mechanical characteristics
| σB, MPa | d | Brinell hardness number, MPa |
|---|---|---|
| Casting. Without heat treatment | ||
| ≥186 | ≥1.5 | ≥70 |
| ≥196 | ≥1.5 | ≥75 |
| Casting. T6 mode: Quenching in water from 510-520 °C (delay of 5-7 h) + Complete artificial aging at 195-205 °C (exposure 1-2 hours) | ||
| ≥274 | ≥1.5 | ≥85 |
Description mechanical marks
| Name | Description |
|---|---|
| σB | Limit short-term strength |
| d | Elongation after rupture |
